busybox [ --help; echo                                                          
[: missing ]

busybox [[ --help; echo                                                         
[[: missing ]]

busybox acpid --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: acpid [-df] [-c CONFDIR] [-l LOGFILE] [-a ACTIONFILE] [-M MAPFILE] [-e PROC_EVENT_FILE]
[-p PIDFILE]

Listen to ACPI events and spawn specific helpers on event arrival

	-d	Log to stderr, not log file (implies -f)
	-f	Run in foreground
	-c DIR	Config directory [/etc/acpi]
	-e FILE	/proc event file [/proc/acpi/event]
	-l FILE	Log file [/var/log/acpid.log]
	-p FILE	Pid file [/var/run/acpid.pid]
	-a FILE	Action file [/etc/acpid.conf]
	-M FILE Map file [/etc/acpi.map]

Accept and ignore compatibility options -g -m -s -S -v

busybox adjtimex --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: adjtimex [-q] [-o OFS] [-f FREQ] [-p TCONST] [-t TICK]

Read or set kernel time variables. See adjtimex(2)

	-q	Quiet
	-o OFF	Time offset, microseconds
	-f FREQ	Frequency adjust, integer kernel units (65536 is 1ppm)
	-t TICK	Microseconds per tick, usually 10000
		(positive -t or -f values make clock run faster)
	-p TCONST

busybox ar --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ar x|p|t [-ov] ARCHIVE [FILE]...

Extract or list FILEs from an ar archive

	x	Extract
	p	Extract to stdout
	t	List
	-o	Restore mtime
	-v	Verbose

busybox arch --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: arch

Print system architecture

busybox arp --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: arp
[-vn]	[-H HWTYPE] [-i IF] -a [HOSTNAME]
[-v]		    [-i IF] -d HOSTNAME [pub]
[-v]	[-H HWTYPE] [-i IF] -s HOSTNAME HWADDR [temp]
[-v]	[-H HWTYPE] [-i IF] -s HOSTNAME HWADDR [netmask MASK] pub
[-v]	[-H HWTYPE] [-i IF] -Ds HOSTNAME IFACE [netmask MASK] pub

Manipulate ARP cache

	-a		Display (all) hosts
	-d		Delete ARP entry
	-s		Set new entry
	-v		Verbose
	-n		Don't resolve names
	-i IF		Network interface
	-D		Read HWADDR from IFACE
	-A,-p AF	Protocol family
	-H HWTYPE	Hardware address type

busybox arping --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: arping [-fqbDUA] [-c CNT] [-w TIMEOUT] [-I IFACE] [-s SRC_IP] DST_IP

Send ARP requests/replies

	-f		Quit on first ARP reply
	-q		Quiet
	-b		Keep broadcasting, don't go unicast
	-D		Exit with 1 if DST_IP replies
	-U		Unsolicited ARP mode, update your neighbors
	-A		ARP answer mode, update your neighbors
	-c N		Stop after sending N ARP requests
	-w TIMEOUT	Seconds to wait for ARP reply
	-I IFACE	Interface to use (default eth0)
	-s SRC_IP	Sender IP address
	DST_IP		Target IP address

busybox ascii --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox ash --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ash [-il] [-|+Cabefmnuvx] [-|+o OPT]... [-c 'SCRIPT' [ARG0 ARGS] | FILE ARGS | -s ARGS]

Unix shell interpreter

busybox awk --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: awk [OPTIONS] [AWK_PROGRAM] [FILE]...

	-v VAR=VAL	Set variable
	-F SEP		Use SEP as field separator
	-f/-E FILE	Read program from FILE
	-e AWK_PROGRAM

busybox base64 --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: base64 [-d] [-w COL] [FILE]

Base64 encode or decode FILE to standard output

	-d	Decode data
	-w COL	Wrap lines at COL (default 76, 0 disables)

busybox basename --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: basename FILE [SUFFIX] | -a FILE... | -s SUFFIX FILE...

Strip directory path and SUFFIX from FILE

	-a		All arguments are FILEs
	-s SUFFIX	Remove SUFFIX (implies -a)

busybox bc --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: bc [-sqlw] [FILE]...

Arbitrary precision calculator

	-q	Quiet
	-l	Load standard library
	-s	Be POSIX compatible
	-w	Warn if extensions are used

$BC_LINE_LENGTH changes output width

busybox blkdiscard --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: blkdiscard [-o OFS] [-l LEN] [-s] DEVICE

Discard sectors on DEVICE

	-o OFS	Byte offset into device
	-l LEN	Number of bytes to discard
	-s	Perform a secure discard

busybox blockdev --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: blockdev OPTION BLOCKDEV

	--setro		Set ro
	--setrw		Set rw
	--getro		Get ro
	--getss		Get sector size
	--getbsz	Get block size
	--setbsz BYTES	Set block size
	--getsz		Get device size in 512-byte sectors
	--getsize64	Get device size in bytes
	--getra		Get readahead in 512-byte sectors
	--setra SECTORS	Set readahead
	--flushbufs	Flush buffers
	--rereadpt	Reread partition table

busybox brctl --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: brctl COMMAND [BRIDGE [ARGS]]

Manage ethernet bridges
Commands:
	addbr BRIDGE		Create BRIDGE
	delbr BRIDGE		Delete BRIDGE
	addif BRIDGE IFACE	Add IFACE to BRIDGE
	delif BRIDGE IFACE	Delete IFACE from BRIDGE

busybox bunzip2 --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: bunzip2 [-cfk] [FILE]...

Decompress FILEs (or stdin)

	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox busybox --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.
BusyBox is copyrighted by many authors between 1998-2015.
Licensed under GPLv2. See source distribution for detailed
copyright notices.

Usage: busybox [function [arguments]...]
   or: busybox --list[-full]
   or: busybox --install [-s] [DIR]
   or: function [arguments]...

	BusyBox is a multi-call binary that combines many common Unix
	utilities into a single executable.  The shell in this build
	is configured to run built-in utilities without $PATH search.
	You don't need to install a link to busybox for each utility.
	To run external program, use full path (/sbin/ip instead of ip).

Currently defined functions:
	[, [[, acpid, adjtimex, ar, arch, arp, arping, ascii, ash, awk, base64,
	basename, bc, blkdiscard, blockdev, brctl, bunzip2, busybox, bzcat,
	bzip2, cal, cat, chgrp, chmod, chown, chroot, chvt, clear, cmp, cp,
	cpio, crc32, crond, crontab, cttyhack, cut, date, dc, dd, deallocvt,
	depmod, devmem, df, diff, dirname, dmesg, dnsdomainname, dos2unix,
	dpkg, dpkg-deb, du, dumpkmap, dumpleases, echo, ed, egrep, env, expand,
	expr, factor, fallocate, false, fatattr, fdisk, fgrep, find, findfs,
	fold, free, freeramdisk, fsfreeze, fstrim, ftpget, ftpput, getfattr,
	getopt, getty, grep, groups, gunzip, gzip, halt, head, hexdump, hostid,
	hostname, httpd, hwclock, i2cdetect, i2cdump, i2cget, i2cset,
	i2ctransfer, id, ifconfig, ifdown, ifup, init, insmod, install, ionice,
	ip, ipcalc, kill, killall, klogd, last, less, link, linux32, linux64,
	linuxrc, ln, loadfont, loadkmap, logger, login, logname, logread,
	losetup, ls, lsmod, lsscsi, lzcat, lzma, lzop, md5sum, mdev, microcom,
	mim, mkdir, mkdosfs, mke2fs, mkfifo, mknod, mkpasswd, mkswap, mktemp,
	modinfo, modprobe, more, mount, mt, mv, nameif, nbd-client, nc,
	netstat, nl, nologin, nproc, nsenter, nslookup, nuke, od, openvt,
	partprobe, passwd, paste, patch, pidof, ping, ping6, pivot_root,
	poweroff, printf, ps, pwd, rdate, readlink, realpath, reboot, renice,
	reset, resume, rev, rm, rmdir, rmmod, route, rpm, rpm2cpio, run-init,
	run-parts, sed, seq, setkeycodes, setpriv, setsid, sh, sha1sum,
	sha256sum, sha3sum, sha512sum, shred, shuf, sleep, sort, ssl_client,
	start-stop-daemon, stat, strings, stty, su, sulogin, svc, svok,
	swapoff, swapon, switch_root, sync, sysctl, syslogd, tac, tail, tar,
	taskset, tc, tee, telnet, telnetd, test, tftp, time, timeout, top,
	touch, tr, traceroute, traceroute6, true, truncate, ts, tty, tunctl,
	ubirename, udhcpc, udhcpc6, udhcpd, uevent, umount, uname, uncompress,
	unexpand, uniq, unix2dos, unlink, unlzma, unshare, unxz, unzip, uptime,
	usleep, uudecode, uuencode, vconfig, vi, w, watch, watchdog, wc, wget,
	which, who, whoami, xargs, xxd, xz, xzcat, yes, zcat

busybox bzcat --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: bzcat [FILE]...

Decompress to stdout

busybox bzip2 --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: bzip2 [-cfkdt123456789] [FILE]...

Compress FILEs (or stdin) with bzip2 algorithm

	-1..9	Compression level
	-d	Decompress
	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox cal --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cal [-jmy] [[MONTH] YEAR]

Display a calendar

	-j	Use julian dates
	-m	Week starts on Monday
	-y	Display the entire year

busybox cat --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cat [-nbvteA] [FILE]...

Print FILEs to stdout

	-n	Number output lines
	-b	Number nonempty lines
	-v	Show nonprinting characters as ^x or M-x
	-t	...and tabs as ^I
	-e	...and end lines with $
	-A	Same as -vte

busybox chgrp --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: chgrp [-RhLHPcvf]... GROUP FILE...

Change the group membership of FILEs to GROUP

	-h	Affect symlinks instead of symlink targets
	-L	Traverse all symlinks to directories
	-H	Traverse symlinks on command line only
	-P	Don't traverse symlinks (default)
	-R	Recurse
	-c	List changed files
	-v	Verbose
	-f	Hide errors

busybox chmod --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: chmod [-Rcvf] MODE[,MODE]... FILE...

MODE is octal number (bit pattern sstrwxrwxrwx) or [ugoa]{+|-|=}[rwxXst]

	-R	Recurse
	-c	List changed files
	-v	Verbose
	-f	Hide errors

busybox chown --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: chown [-RhLHPcvf]... USER[:[GRP]] FILE...

Change the owner and/or group of FILEs to USER and/or GRP

	-h	Affect symlinks instead of symlink targets
	-L	Traverse all symlinks to directories
	-H	Traverse symlinks on command line only
	-P	Don't traverse symlinks (default)
	-R	Recurse
	-c	List changed files
	-v	Verbose
	-f	Hide errors

busybox chroot --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: chroot NEWROOT [PROG ARGS]

Run PROG with root directory set to NEWROOT

busybox chvt --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: chvt N

Change the foreground virtual terminal to /dev/ttyN

busybox clear --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: clear

Clear screen

busybox cmp --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cmp [-ls] [-n NUM] FILE1 [FILE2 [SKIP1 [SKIP2]]]

Compare FILE1 with FILE2 (or stdin)

	-l	Write the byte numbers (decimal) and values (octal)
		for all differing bytes
	-s	Quiet
	-n NUM	Compare at most NUM bytes

busybox cp --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cp [-arPLHpfinlsTu] SOURCE DEST
or: cp [-arPLHpfinlsu] SOURCE... { -t DIRECTORY | DIRECTORY }

Copy SOURCEs to DEST

	-a	Same as -dpR
	-R,-r	Recurse
	-d,-P	Preserve symlinks (default if -R)
	-L	Follow all symlinks
	-H	Follow symlinks on command line
	-p	Preserve file attributes if possible
	-f	Overwrite
	-i	Prompt before overwrite
	-n	Don't overwrite
	-l,-s	Create (sym)links
	-T	Refuse to copy if DEST is a directory
	-t DIR	Copy all SOURCEs into DIR
	-u	Copy only newer files

busybox cpio --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cpio [-dmvu] [-F FILE] [-R USER[:GRP]] [-H newc] [-tio] [EXTR_FILE]...

Extract (-i) or list (-t) files from a cpio archive on stdin, or
take file list from stdin and create an archive (-o)

Main operation mode:
	-t	List
	-i	Extract EXTR_FILEs (or all)
	-o	Create (requires -H newc)
Options:
	-H newc	Archive format
	-d	Make leading directories
	-m	Restore mtime
	-v	Verbose
	-u	Overwrite
	-F FILE	Input (-t,-i,-p) or output (-o) file
	-R USER[:GRP]	Set owner of created files
	-L	Dereference symlinks
	-0	NUL terminated input
	--ignore-devno
	--renumber-inodes

busybox crc32 --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: crc32 FILE...

Calculate CRC32 checksum of FILEs

busybox crond --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: crond [-fbS] [-l N] [-L LOGFILE] [-c DIR]

	-f	Foreground
	-b	Background (default)
	-S	Log to syslog (default)
	-l N	Set log level. Most verbose 0, default 8
	-L FILE	Log to FILE
	-c DIR	Cron dir. Default:/var/spool/cron/crontabs

busybox crontab --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: crontab [-c DIR] [-u USER] [-ler]|[FILE]

	-c	Crontab directory
	-u	User
	-l	List crontab
	-e	Edit crontab
	-r	Delete crontab
	FILE	Replace crontab by FILE ('-': stdin)

busybox cttyhack --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cttyhack [PROG ARGS]

Give PROG a controlling tty if possible.
Example for /etc/inittab (for busybox init):
	::respawn:/bin/cttyhack /bin/sh
Giving controlling tty to shell running with PID 1:
	$ exec cttyhack sh
Starting interactive shell from boot shell script:
	setsid cttyhack sh

busybox cut --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: cut [OPTIONS] [FILE]...

Print selected fields from FILEs to stdout

	-b LIST	Output only bytes from LIST
	-c LIST	Output only characters from LIST
	-d SEP	Field delimiter for input (default -f TAB, -F run of whitespace)
	-O SEP	Field delimiter for output (default = -d for -f, one space for -F)
	-D	Don't sort/collate sections or match -fF lines without delimiter
	-f LIST	Print only these fields (-d is single char)
	-F LIST	Print only these fields (-d is regex)
	-s	Output only lines containing delimiter
	-n	Ignored

busybox date --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: date [OPTIONS] [+FMT] [[-s] TIME]

Display time (using +FMT), or set time

	-u		Work in UTC (don't convert to local time)
	[-s] TIME	Set time to TIME
	-d TIME		Display TIME, not 'now'
	-D FMT		FMT (strptime format) for -s/-d TIME conversion
	-r FILE		Display last modification time of FILE
	-R		Output RFC-2822 date
	-I[SPEC]	Output ISO-8601 date
			SPEC=date (default), hours, minutes, seconds or ns

Recognized TIME formats:
	@seconds_since_1970
	hh:mm[:ss]
	[YYYY.]MM.DD-hh:mm[:ss]
	YYYY-MM-DD hh:mm[:ss]
	[[[[[YY]YY]MM]DD]hh]mm[.ss]
	'date TIME' form accepts MMDDhhmm[[YY]YY][.ss] instead

busybox dc --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dc [-x] [-eSCRIPT]... [-fFILE]... [FILE]...

Tiny RPN calculator. Operations:
Arithmetic: + - * / % ^
~ - divide with remainder
| - modular exponentiation
v - square root
p - print top of the stack without popping
f - print entire stack
k - pop the value and set precision
i - pop the value and set input radix
o - pop the value and set output radix
Examples: dc -e'2 2 + p' -> 4, dc -e'8 8 * 2 2 + / p' -> 16

busybox dd --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dd [if=FILE] [of=FILE] [ibs=N obs=N/bs=N] [count=N] [skip=N] [seek=N]
	[conv=notrunc|noerror|sync|fsync]
	[iflag=skip_bytes|count_bytes|fullblock|direct] [oflag=seek_bytes|append|direct]

Copy a file with converting and formatting

	if=FILE		Read from FILE instead of stdin
	of=FILE		Write to FILE instead of stdout
	bs=N		Read and write N bytes at a time
	ibs=N		Read N bytes at a time
	obs=N		Write N bytes at a time
	count=N		Copy only N input blocks
	skip=N		Skip N input blocks
	seek=N		Skip N output blocks
	conv=notrunc	Don't truncate output file
	conv=noerror	Continue after read errors
	conv=sync	Pad blocks with zeros
	conv=fsync	Physically write data out before finishing
	conv=swab	Swap every pair of bytes
	iflag=skip_bytes	skip=N is in bytes
	iflag=count_bytes	count=N is in bytes
	oflag=seek_bytes	seek=N is in bytes
	iflag=direct	O_DIRECT input
	oflag=direct	O_DIRECT output
	iflag=fullblock	Read full blocks
	oflag=append	Open output in append mode
	status=noxfer	Suppress rate output
	status=none	Suppress all output

N may be suffixed by c (1), w (2), b (512), kB (1000), k (1024), MB, M, GB, G

busybox deallocvt --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: deallocvt [N]

Deallocate unused virtual terminal /dev/ttyN

busybox depmod --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: depmod [-n] [-b BASE] [VERSION] [MODFILES]...

Generate modules.dep, alias, and symbols files

	-b BASE	Use BASE/lib/modules/VERSION
	-n	Dry run: print files to stdout

busybox devmem --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: devmem ADDRESS [WIDTH [VALUE]]

Read/write from physical address

	ADDRESS	Address to act upon
	WIDTH	Width (8/16/...)
	VALUE	Data to be written

busybox df --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: df [-PkmhTai] [-B SIZE] [-t TYPE] [FILESYSTEM]...

Print filesystem usage statistics

	-P	POSIX output format
	-k	1024-byte blocks (default)
	-m	1M-byte blocks
	-h	Human readable (e.g. 1K 243M 2G)
	-T	Print filesystem type
	-t TYPE	Print only mounts of this type
	-a	Show all filesystems
	-i	Inodes
	-B SIZE	Blocksize

busybox diff --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: diff [-abBdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2

Compare files line by line and output the differences between them.
This implementation supports unified diffs only.

	-a	Treat all files as text
	-b	Ignore changes in the amount of whitespace
	-B	Ignore changes whose lines are all blank
	-d	Try hard to find a smaller set of changes
	-i	Ignore case differences
	-L	Use LABEL instead of the filename in the unified header
	-N	Treat absent files as empty
	-q	Output only whether files differ
	-r	Recurse
	-S	Start with FILE when comparing directories
	-T	Make tabs line up by prefixing a tab when necessary
	-s	Report when two files are the same
	-t	Expand tabs to spaces in output
	-U	Output LINES lines of context
	-w	Ignore all whitespace

busybox dirname --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dirname FILENAME

Strip non-directory suffix from FILENAME

busybox dmesg --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dmesg [-cr] [-n LEVEL] [-s SIZE]

Print or control the kernel ring buffer

	-c		Clear ring buffer after printing
	-n LEVEL	Set console logging level
	-s SIZE		Buffer size
	-r		Print raw message buffer

busybox dnsdomainname --help; echo                                              
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox dos2unix --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dos2unix [-ud] [FILE]

Convert FILE in-place from DOS to Unix format.
When no file is given, use stdin/stdout.

	-u	dos2unix
	-d	unix2dos

busybox dpkg --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dpkg [-ilCPru] [-F OPT] PACKAGE

Install, remove and manage Debian packages

	-i,--install	Install the package
	-l,--list	List of installed packages
	--configure	Configure an unpackaged package
	-P,--purge	Purge all files of a package
	-r,--remove	Remove all but the configuration files for a package
	--unpack	Unpack a package, but don't configure it
	--force-depends	Ignore dependency problems
	--force-confnew	Overwrite existing config files when installing
	--force-confold	Keep old config files when installing

busybox dpkg-deb --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dpkg-deb [-cefxX] FILE [DIR]

Perform actions on Debian packages (.deb)

	-c	List files
	-f	Print control fields
	-e	Extract control files to DIR (default: ./DEBIAN)
	-x	Extract files to DIR (no default)
	-X	Verbose extract

busybox du --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: du [-aHLdclsxhmk] [FILE]...

Summarize disk space used for FILEs (or directories)

	-a	Show file sizes too
	-b	Apparent size (including holes)
	-L	Follow all symlinks
	-H	Follow symlinks on command line
	-d N	Limit output to directories (and files with -a) of depth < N
	-c	Show grand total
	-l	Count sizes many times if hard linked
	-s	Display only a total for each argument
	-x	Skip directories on different filesystems
	-h	Sizes in human readable format (e.g., 1K 243M 2G)
	-m	Sizes in megabytes
	-k	Sizes in kilobytes (default)

busybox dumpkmap --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dumpkmap > keymap

Print a binary keyboard translation table to stdout

busybox dumpleases --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: dumpleases [-r|-a] [-d] [-f LEASEFILE]

Display DHCP leases granted by udhcpd

	-f FILE	Lease file
	-r	Show remaining time
	-a	Show expiration time
	-d	Show time in seconds

busybox echo --help; echo                                                       
--help

busybox ed --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ed [-p PROMPT] [-s] [FILE]

busybox egrep --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox env --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: env [-i0] [-u NAME]... [-] [NAME=VALUE]... [PROG ARGS]

Print current environment or run PROG after setting up environment

	-, -i	Start with empty environment
	-0	NUL terminated output
	-u NAME	Remove variable from environment

busybox expand --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: expand [-i] [-t N] [FILE]...

Convert tabs to spaces, writing to stdout

	-i	Don't convert tabs after non blanks
	-t	Tabstops every N chars

busybox expr --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: expr EXPRESSION

Print the value of EXPRESSION

EXPRESSION may be:
	ARG1 | ARG2	ARG1 if it is neither null nor 0, otherwise ARG2
	ARG1 & ARG2	ARG1 if neither argument is null or 0, otherwise 0
	ARG1 < ARG2	1 if ARG1 is less than ARG2, else 0. Similarly:
	ARG1 <= ARG2
	ARG1 = ARG2
	ARG1 != ARG2
	ARG1 >= ARG2
	ARG1 > ARG2
	ARG1 + ARG2	Sum of ARG1 and ARG2. Similarly:
	ARG1 - ARG2
	ARG1 * ARG2
	ARG1 / ARG2
	ARG1 % ARG2
	STRING : REGEXP		Anchored pattern match of REGEXP in STRING
	match STRING REGEXP	Same as STRING : REGEXP
	substr STRING POS LEN	Substring of STRING, POS counts from 1
	index STRING CHARS	Index in STRING where any CHARS is found, or 0
	length STRING		Length of STRING
	quote TOKEN		Interpret TOKEN as a string, even if
				it is a keyword like 'match' or an
				operator like '/'
	(EXPRESSION)		Value of EXPRESSION

Beware that many operators need to be escaped or quoted for shells.
Comparisons are arithmetic if both ARGs are numbers, else
lexicographical. Pattern matches return the string matched between
\( and \) or null; if \( and \) are not used, they return the number
of characters matched or 0.

busybox factor --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: factor [NUMBER]...

Print prime factors

busybox fallocate --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fallocate [-o OFS] -l LEN FILE

Preallocate space for FILE

	-o OFS	Offset of range
	-l LEN	Length of range

busybox false --help; echo                                                      

busybox fatattr --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fatattr [-+rhsvda] FILE...

Change file attributes on FAT filesystem

	-	Clear attributes
	+	Set attributes
	r	Read only
	h	Hidden
	s	System
	v	Volume label
	d	Directory
	a	Archive

busybox fdisk --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fdisk [-ul] [-C CYLINDERS] [-H HEADS] [-S SECTORS] [-b SSZ] DISK

Change partition table

	-u		Start and End are in sectors (instead of cylinders)
	-l		Show partition table for each DISK, then exit
	-b 2048		(for certain MO disks) use 2048-byte sectors
	-C CYLINDERS	Set number of cylinders/heads/sectors
	-H HEADS	Typically 255
	-S SECTORS	Typically 63

busybox fgrep --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox find --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: find [-HL] [PATH]... [OPTIONS] [ACTIONS]

Search for files and perform actions on them.
First failed action stops processing of current file.
Defaults: PATH is current directory, action is '-print'

	-L,-follow	Follow symlinks
	-H		...on command line only
	-xdev		Don't descend directories on other filesystems
	-maxdepth N	Descend at most N levels. -maxdepth 0 applies
			actions to command line arguments only
	-mindepth N	Don't act on first N levels
	-depth		Act on directory *after* traversing it

Actions:
	( ACTIONS )	Group actions for -o / -a
	! ACT		Invert ACT's success/failure
	ACT1 [-a] ACT2	If ACT1 fails, stop, else do ACT2
	ACT1 -o ACT2	If ACT1 succeeds, stop, else do ACT2
			Note: -a has higher priority than -o
	-name PATTERN	Match file name (w/o directory name) to PATTERN
	-iname PATTERN	Case insensitive -name
	-path PATTERN	Match path to PATTERN
	-ipath PATTERN	Case insensitive -path
	-regex PATTERN	Match path to regex PATTERN
	-type X		File type is X (one of: f,d,l,b,c,s,p)
	-executable	File is executable
	-perm MASK	At least one mask bit (+MASK), all bits (-MASK),
			or exactly MASK bits are set in file's mode
	-mtime DAYS	mtime is greater than (+N), less than (-N),
			or exactly N days in the past
	-atime DAYS	atime +N/-N/N days in the past
	-ctime DAYS	ctime +N/-N/N days in the past
	-mmin MINS	mtime is greater than (+N), less than (-N),
			or exactly N minutes in the past
	-amin MINS	atime +N/-N/N minutes in the past
	-cmin MINS	ctime +N/-N/N minutes in the past
	-newer FILE	mtime is more recent than FILE's
	-inum N		File has inode number N
	-samefile FILE	File is same as FILE
	-user NAME/ID	File is owned by given user
	-group NAME/ID	File is owned by given group
	-size N[bck]	File size is N (c:bytes,k:kbytes,b:512 bytes(def.))
			+/-N: file size is bigger/smaller than N
	-links N	Number of links is greater than (+N), less than (-N),
			or exactly N
	-empty		Match empty file/directory
	-prune		If current file is directory, don't descend into it
If none of the following actions is specified, -print is assumed
	-print		Print file name
	-print0		Print file name, NUL terminated
	-exec CMD ARG ;	Run CMD with all instances of {} replaced by
			file name. Fails if CMD exits with nonzero
	-exec CMD ARG + Run CMD with {} replaced by list of file names
	-ok CMD ARG ;   Prompt and run CMD with {} replaced
	-quit		Exit

busybox findfs --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: findfs LABEL=label or UUID=uuid

Find a filesystem device based on a label or UUID

busybox fold --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fold [-bs] [-w WIDTH] [FILE]...

Wrap input lines in FILEs (or stdin), writing to stdout

	-b	Count bytes rather than columns
	-s	Break at spaces
	-w	Use WIDTH columns instead of 80

busybox free --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: free [-bkmgh]

Display free and used memory

busybox freeramdisk --help; echo                                                
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: freeramdisk DEVICE

Free all memory used by the specified ramdisk

busybox fsfreeze --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fsfreeze --[un]freeze MOUNTPOINT

Flush and halt writes to MOUNTPOINT

busybox fstrim --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: fstrim [OPTIONS] MOUNTPOINT

	-o OFFSET	Offset in bytes to discard from
	-l LEN		Bytes to discard
	-m MIN		Minimum extent length
	-v		Print number of discarded bytes

busybox ftpget --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ftpget [OPTIONS] HOST [LOCAL_FILE] REMOTE_FILE

Download a file via FTP

	-c	Continue previous transfer
	-v	Verbose
	-u USER	Username
	-p PASS	Password
	-P PORT

busybox ftpput --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ftpput [OPTIONS] HOST [REMOTE_FILE] LOCAL_FILE

Upload a file to a FTP server

	-v	Verbose
	-u USER	Username
	-p PASS	Password
	-P PORT

busybox getfattr --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: getfattr [-h] {-d|-n ATTR} FILE...


Get extended attributes

	-h		Do not follow symlinks
	-d		Dump all attributes
	-n ATTR		Get attribute ATTR

busybox getopt --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: getopt [OPTIONS] [--] OPTSTRING PARAMS

	-a		Allow long options starting with single -
	-l LOPT[,...]	Long options to recognize
	-n PROGNAME	The name under which errors are reported
	-o OPTSTRING	Short options to recognize
	-q		No error messages on unrecognized options
	-Q		No normal output
	-s SHELL	Set shell quoting conventions
	-T		Version test (exits with 4)
	-u		Don't quote output

Example:

O=`getopt -l bb: -- ab:c:: "$@"` || exit 1
eval set -- "$O"
while true; do
	case "$1" in
	-a)	echo A; shift;;
	-b|--bb) echo "B:'$2'"; shift 2;;
	-c)	case "$2" in
		"")	echo C; shift 2;;
		*)	echo "C:'$2'"; shift 2;;
		esac;;
	--)	shift; break;;
	*)	echo Error; exit 1;;
	esac
done

busybox getty --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: getty [OPTIONS] BAUD_RATE[,BAUD_RATE]... TTY [TERMTYPE]

Open TTY, prompt for login name, then invoke /bin/login

	-h		Enable hardware RTS/CTS flow control
	-L		Set CLOCAL (ignore Carrier Detect state)
	-m		Get baud rate from modem's CONNECT status message
	-n		Don't prompt for login name
	-w		Wait for CR or LF before sending /etc/issue
	-i		Don't display /etc/issue
	-f ISSUE_FILE	Display ISSUE_FILE instead of /etc/issue
	-l LOGIN	Invoke LOGIN instead of /bin/login
	-t SEC		Terminate after SEC if no login name is read
	-I INITSTR	Send INITSTR before anything else
	-H HOST		Log HOST into the utmp file as the hostname

BAUD_RATE of 0 leaves it unchanged

busybox grep --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: grep [-HhnlLoqvsrRiwFEz] [-m N] [-A|B|C N] { PATTERN | -e PATTERN... | -f FILE... }
[FILE]...

Search for PATTERN in FILEs (or stdin)

	-H	Add 'filename:' prefix
	-h	Do not add 'filename:' prefix
	-n	Add 'line_no:' prefix
	-l	Show only names of files that match
	-L	Show only names of files that don't match
	-c	Show only count of matching lines
	-o	Show only the matching part of line
	-q	Quiet. Return 0 if PATTERN is found, 1 otherwise
	-v	Select non-matching lines
	-s	Suppress open and read errors
	-r	Recurse
	-R	Recurse and dereference symlinks
	-i	Ignore case
	-w	Match whole words only
	-x	Match whole lines only
	-F	PATTERN is a literal (not regexp)
	-E	PATTERN is an extended regexp
	-z	NUL terminated input
	-m N	Match up to N times per file
	-A N	Print N lines of trailing context
	-B N	Print N lines of leading context
	-C N	Same as '-A N -B N'
	-e PTRN	Pattern to match
	-f FILE	Read pattern from file

busybox groups --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: groups [USER]

Print the groups USER is in

busybox gunzip --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: gunzip [-cfkt] [FILE]...

Decompress FILEs (or stdin)

	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox gzip --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: gzip [-cfkdt] [FILE]...

Compress FILEs (or stdin)

	-d	Decompress
	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox halt --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: halt [-d DELAY] [-nfw]

Halt the system

	-d SEC	Delay interval
	-n	Do not sync
	-f	Force (don't go through init)
	-w	Only write a wtmp record

busybox head --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: head [OPTIONS] [FILE]...

Print first 10 lines of FILEs (or stdin).
With more than one FILE, precede each with a filename header.

	-n N[bkm]	Print first N lines
	-n -N[bkm]	Print all except N last lines
	-c [-]N[bkm]	Print first N bytes
			(b:*512 k:*1024 m:*1024^2)
	-q		Never print headers
	-v		Always print headers

busybox hexdump --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: hexdump [-bcdoxCv] [-e FMT] [-f FMT_FILE] [-n LEN] [-s OFS] [FILE]...

Display FILEs (or stdin) in a user specified format

	-b		1-byte octal display
	-c		1-byte character display
	-d		2-byte decimal display
	-o		2-byte octal display
	-x		2-byte hex display
	-C		hex+ASCII 16 bytes per line
	-v		Show all (no dup folding)
	-e FORMAT_STR	Example: '16/1 "%02x|""\n"'
	-f FORMAT_FILE
	-n LENGTH	Show only first LENGTH bytes
	-s OFFSET	Skip OFFSET bytes

busybox hostid --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: hostid

Print out a unique 32-bit identifier for the machine

busybox hostname --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: hostname [-sidf] [HOSTNAME | -F FILE]

Show or set hostname or DNS domain name

	-s	Short
	-i	Addresses for the hostname
	-d	DNS domain name
	-f	Fully qualified domain name
	-F FILE	Use FILE's content as hostname

busybox httpd --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: httpd [-ifv[v]] [-c CONFFILE] [-p [IP:]PORT] [-u USER[:GRP]] [-r REALM] [-h HOME]
or httpd -d/-e/-m STRING

Listen for incoming HTTP requests

	-i		Inetd mode
	-f		Run in foreground
	-v[v]		Verbose
	-p [IP:]PORT	Bind to IP:PORT (default *:80)
	-u USER[:GRP]	Set uid/gid after binding to port
	-r REALM	Authentication Realm for Basic Authentication
	-h HOME		Home directory (default .)
	-c FILE		Configuration file (default {/etc,HOME}/httpd.conf)
	-m STRING	MD5 crypt STRING
	-e STRING	HTML encode STRING
	-d STRING	URL decode STRING

busybox hwclock --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: hwclock [-ul] [-f DEV] [-s|-w|--systz|--param-get PARAM|--param-set PARAM=VAL]

Show or set hardware clock (RTC)

	-f DEV	Use this device (e.g. /dev/rtc2)
	-u	Assume RTC is kept in UTC
	-l	Assume RTC is kept in local time
		(if neither is given, read from /etc/adjtime)
	-s	Set system time from RTC
	-w	Set RTC from system time
	--systz	Set in-kernel timezone, correct system time
		if RTC is kept in local time
	--param-get PARAM	Get RTC parameter
	--param-set PARAM=VAL	Set RTC parameter

busybox i2cdetect --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: i2cdetect -l | -F I2CBUS | [-ya] [-q|-r] I2CBUS [FIRST LAST]

Detect I2C chips

	-l	List installed buses
	-F BUS#	List functionalities on this bus
	-y	Disable interactive mode
	-a	Force scanning of non-regular addresses
	-q	Use smbus quick write commands for probing (default)
	-r	Use smbus read byte commands for probing
	FIRST and LAST limit probing range

busybox i2cdump --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: i2cdump [-fy] [-r FIRST-LAST] BUS ADDR [MODE]

Examine I2C registers

	I2CBUS	I2C bus number
	ADDRESS	0x03-0x77
MODE is:
	b	Byte (default)
	w	Word
	W	Word on even register addresses
	i	I2C block
	s	SMBus block
	c	Consecutive byte
	Append p for SMBus PEC

	-f	Force access
	-y	Disable interactive mode
	-r	Limit the number of registers being accessed

busybox i2cget --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: i2cget [-fy] BUS CHIP-ADDRESS [DATA-ADDRESS [MODE]]

Read from I2C/SMBus chip registers

	I2CBUS	I2C bus number
	ADDRESS	0x03-0x77
MODE is:
	b	Read byte data (default)
	w	Read word data
	c	Write byte/read byte
	Append p for SMBus PEC

	-f	Force access
	-y	Disable interactive mode

busybox i2cset --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: i2cset [-fy] [-m MASK] BUS CHIP-ADDRESS DATA-ADDRESS [VALUE] ... [MODE]

Set I2C registers

	I2CBUS	I2C bus number
	ADDRESS	0x03-0x77
MODE is:
	c	Byte, no value
	b	Byte data (default)
	w	Word data
	i	I2C block data
	s	SMBus block data
	Append p for SMBus PEC

	-f	Force access
	-y	Disable interactive mode
	-r	Read back and compare the result
	-m MASK	Mask specifying which bits to write

busybox i2ctransfer --help; echo                                                
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: i2ctransfer [-fay] I2CBUS { rLENGTH[@ADDR] | wLENGTH[@ADDR] DATA...}...

Read/write I2C data in one transfer

	-f	Force access to busy addresses
	-a	Force access to non-regular addresses
	-y	Disable interactive mode

busybox id --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: id [-ugGnr] [USER]

Print information about USER or the current user

	-u	User ID
	-g	Group ID
	-G	Supplementary group IDs
	-n	Print names instead of numbers
	-r	Print real ID instead of effective ID

busybox ifconfig --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ifconfig [-a] [IFACE] [ADDRESS]

Configure a network interface

	[add ADDRESS[/PREFIXLEN]]
	[del ADDRESS[/PREFIXLEN]]
	[[-]broadcast [ADDRESS]] [[-]pointopoint [ADDRESS]]
	[netmask ADDRESS] [dstaddr ADDRESS]
	[outfill NN] [keepalive NN]
	[hw ether|infiniband ADDRESS] [metric NN] [mtu NN]
	[[-]trailers] [[-]arp] [[-]allmulti]
	[multicast] [[-]promisc] [txqueuelen NN] [[-]dynamic]
	[mem_start NN] [io_addr NN] [irq NN]
	[up|down] ...

busybox ifdown --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ifdown [-nmvf] [-i FILE] -a | IFACE...

	-a	Deconfigure all interfaces
	-i FILE	Use FILE instead of /etc/network/interfaces
	-n	Dry run
		(note: doesn't disable mappings)
	-m	Don't run any mappings
	-v	Print out what would happen before doing it
	-f	Force

busybox ifup --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ifup [-nmvf] [-i FILE] -a | IFACE...

	-a	Configure all interfaces
	-i FILE	Use FILE instead of /etc/network/interfaces
	-n	Dry run
		(note: doesn't disable mappings)
	-m	Don't run any mappings
	-v	Print out what would happen before doing it
	-f	Force

busybox init --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: init

Init is the first process started during boot. It never exits.
It (re)spawns children according to /etc/inittab.
Signals:
HUP: reload /etc/inittab
TSTP: stop respawning until CONT
QUIT: re-exec another init
USR1/TERM/USR2/INT: run halt/reboot/poweroff/Ctrl-Alt-Del script

busybox insmod --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: insmod FILE [SYMBOL=VALUE]...

Load kernel module

busybox install --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: install [-cdDsp] [-o USER] [-g GRP] [-m MODE] [-t DIR] [SOURCE]... DEST

Copy files and set attributes

	-c	Just copy (default)
	-d	Create directories
	-D	Create leading target directories
	-s	Strip symbol table
	-p	Preserve date
	-o USER	Set ownership
	-g GRP	Set group ownership
	-m MODE	Set permissions
	-t DIR	Install to DIR

busybox ionice --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ionice [-c 1-3] [-n 0-7] [-t] { -p PID | PROG ARGS }

Change I/O priority and class

	-c N	Class. 1:realtime 2:best-effort 3:idle
	-n N	Priority
	-t	Ignore errors

busybox ip --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ip [OPTIONS] address|route|link|tunnel|neigh|rule [ARGS]

OPTIONS := -f[amily] inet|inet6|link | -o[neline]

ip addr add|del IFADDR dev IFACE | show|flush [dev IFACE] [to PREFIX]
ip route list|flush|add|del|change|append|replace|test ROUTE
ip link set IFACE [up|down] [arp on|off] [multicast on|off]
	[promisc on|off] [mtu NUM] [name NAME] [qlen NUM] [address MAC]
	[master IFACE | nomaster] [netns PID] [type TYPE ARGS]
ip tunnel add|change|del|show [NAME]
	[mode ipip|gre|sit] [remote ADDR] [local ADDR] [ttl TTL]
ip neigh show|flush [to PREFIX] [dev DEV] [nud STATE]
ip rule [list] | add|del SELECTOR ACTION

busybox ipcalc --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ipcalc [-bnmphs] ADDRESS[/PREFIX] [NETMASK]

Calculate and display network settings from IP address

	-b	Broadcast address
	-n	Network address
	-m	Default netmask for IP
	-p	Prefix for IP/NETMASK
	-h	Resolved host name
	-s	No error messages

busybox kill --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: kill [-l] [-SIG] PID...

Send a signal (default: TERM) to given PIDs

	-l	List all signal names and numbers

busybox killall --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: killall [-lq] [-SIG] PROCESS_NAME...

Send a signal (default: TERM) to given processes

	-l	List all signal names and numbers
	-q	Don't complain if no processes were killed

busybox klogd --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: klogd [-c N] [-n]

Log kernel messages to syslog

	-c N	Print to console messages more urgent than prio N (1-8)
	-n	Run in foreground

busybox last --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: last

Show listing of the last users that logged into the system

busybox less --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: less [-EFIMmNSRh~] [FILE]...

View FILE (or stdin) one screenful at a time

	-E	Quit once the end of a file is reached
	-F	Quit if entire file fits on first screen
	-I	Ignore case in all searches
	-M,-m	Display status line with line numbers
		and percentage through the file
	-N	Prefix line number to each line
	-S	Truncate long lines
	-R	Remove color escape codes in input
	-~	Suppress ~s displayed past EOF

busybox link --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: link FILE LINK

Create hard LINK to FILE

busybox linux32 --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox linux64 --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox linuxrc --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox ln --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ln [-sfnbtv] [-S SUF] TARGET... LINK|DIR

Create a link LINK or DIR/TARGET to the specified TARGET(s)

	-s	Make symlinks instead of hardlinks
	-f	Remove existing destinations
	-n	Don't dereference symlinks - treat like normal file
	-b	Make a backup of the target (if exists) before link operation
	-S SUF	Use suffix instead of ~ when making backup files
	-T	Treat LINK as a file, not DIR
	-v	Verbose

busybox loadfont --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: loadfont < font

Load a console font from stdin

busybox loadkmap --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: loadkmap < keymap

Load a binary keyboard translation table from stdin

busybox logger --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: logger [-s] [-t TAG] [-p PRIO] [MESSAGE]

Write MESSAGE (or stdin) to syslog

	-s	Log to stderr as well as the system log
	-t TAG	Log using the specified tag (defaults to user name)
	-p PRIO	Priority (number or FACILITY.LEVEL pair)

busybox login --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: login [-p] [-h HOST] [[-f] USER]

Begin a new session on the system

	-f	Don't authenticate (user already authenticated)
	-h HOST	Host user came from (for network logins)
	-p	Preserve environment

$LOGIN_TIMEOUT		Seconds (default 60, 0 - disable)

busybox logname --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: logname

Print the name of the current user

busybox logread --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: logread [-fF]

Show messages in syslogd's circular buffer

	-f	Output data as log grows
	-F	Same as -f, but dump buffer first

busybox losetup --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: losetup [-rP] [-o OFS] {-f|LOOPDEV} FILE: associate loop devices
	losetup -c LOOPDEV: reread file size
	losetup -d LOOPDEV: disassociate
	losetup -a: show status
	losetup -f: show next free loop device

	-o OFS	Start OFS bytes into FILE
	-P	Scan for partitions
	-r	Read-only
	-f	Show/use next free loop device

busybox ls --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ls [-1AaCxdLHRFplinshrSXvctu] [-w WIDTH] [FILE]...

List directory contents

	-1	One column output
	-a	Include names starting with .
	-A	Like -a, but exclude . and ..
	-x	List by lines
	-d	List directory names, not contents
	-L	Follow symlinks
	-H	Follow symlinks on command line
	-R	Recurse
	-p	Append / to directory names
	-F	Append indicator (one of */=@|) to names
	-l	Long format
	-i	List inode numbers
	-n	List numeric UIDs and GIDs instead of names
	-s	List allocated blocks
	-lc	List ctime
	-lu	List atime
	--full-time	List full date/time
	-h	Human readable sizes (1K 243M 2G)
	--group-directories-first
	-S	Sort by size
	-X	Sort by extension
	-v	Sort by version
	-t	Sort by mtime
	-tc	Sort by ctime
	-tu	Sort by atime
	-r	Reverse sort order
	-w N	Format N columns wide
	--color[={always,never,auto}]

busybox lsmod --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: lsmod

List loaded kernel modules

busybox lsscsi --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

No help available

busybox lzcat --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: lzcat [FILE]...

Decompress to stdout

busybox lzma --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: lzma -d [-cfk] [FILE]...

Decompress FILEs (or stdin)

	-d	Decompress
	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox lzop --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: lzop [-cfUvd123456789CF] [FILE]...

	-1..9	Compression level
	-d	Decompress
	-c	Write to stdout
	-f	Force
	-U	Delete input files
	-v	Verbose
	-F	Don't store or verify checksum
	-C	Also write checksum of compressed block

busybox md5sum --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: md5sum [-c[sw]] [FILE]...

Print or check MD5 checksums

	-c	Check sums against list in FILEs
	-s	Don't output anything, status code shows success
	-w	Warn about improperly formatted checksum lines

busybox mdev --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mdev [-vS] { [-s] | [-df] }

	-v	Verbose
	-S	Log to syslog too
	-s	Scan /sys and populate /dev
	-d	Daemon, listen on netlink
	-f	Run in foreground

Bare mdev is a kernel hotplug helper. To activate it:
	echo /sbin/mdev >/proc/sys/kernel/hotplug

It uses /etc/mdev.conf with lines
	[-][ENV=regex;]...DEVNAME UID:GID PERM [>|=PATH]|[!] [@|$|*PROG]
where DEVNAME is device name regex, @major,minor[-minor2], or
environment variable regex. A common use of the latter is
to load modules for hotplugged devices:
	$MODALIAS=.* 0:0 660 @modprobe "$MODALIAS"

If /dev/mdev.seq file exists, mdev will wait for its value
to match $SEQNUM variable. This prevents plug/unplug races.
To activate this feature, create empty /dev/mdev.seq at boot.

If /dev/mdev.log file exists, debug log will be appended to it.

busybox microcom --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: microcom [-d DELAY_MS] [-t TIMEOUT_MS ] [-s SPEED] [-X] TTY

Copy bytes from stdin to TTY and from TTY to stdout

	-d DELAY	Wait up to DELAY ms for TTY output before sending
			every next byte to it
	-t TIMEOUT	Exit if both stdin and TTY are silent for TIMEOUT ms
	-s SPEED	Set serial line to SPEED
	-X		Disable special meaning of NUL and Ctrl-X from stdin

busybox mim --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mim [-f FILE] [SHELL_OPTIONS] [TARGET] ...

Run a script from a Makefile-like specification file

	-f FILE		Spec file (default Mimfile)

busybox mkdir --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mkdir [-m MODE] [-p] DIRECTORY...

Create DIRECTORY

	-m MODE	Mode
	-p	No error if exists; make parent directories as needed

busybox mkdosfs --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mkdosfs [-v] [-n LABEL] BLOCKDEV [KBYTES]

Make a FAT32 filesystem

	-v	Verbose
	-n LBL	Volume label

busybox mke2fs --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mke2fs [-Fn] [-b BLK_SIZE] [-i INODE_RATIO] [-I INODE_SIZE] [-m RESERVED_PERCENT] [-L
LABEL] BLOCKDEV [KBYTES]

	-b BLK_SIZE	Block size, bytes
	-F		Force
	-i RATIO	Max number of files is filesystem_size / RATIO
	-I BYTES	Inode size (min 128)
	-L LBL		Volume label
	-m PERCENT	Percent of blocks to reserve for admin
	-n		Dry run

busybox mkfifo --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mkfifo [-m MODE] NAME

Create named pipe

	-m MODE	Mode (default a=rw)

busybox mknod --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mknod [-m MODE] NAME TYPE [MAJOR MINOR]

Create a special file (block, character, or pipe)

	-m MODE	Creation mode (default a=rw)
TYPE:
	b	Block device
	c or u	Character device
	p	Named pipe (MAJOR MINOR must be omitted)

busybox mkpasswd --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mkpasswd [-P FD] [-m TYPE] [-S SALT] [PASSWORD] [SALT]

Print crypt(3) hashed PASSWORD

	-P N	Read password from fd N
	-m TYPE	des,md5,sha256/512 (default sha256)
	-S SALT

busybox mkswap --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mkswap [-L LBL] BLOCKDEV [KBYTES]

Prepare BLOCKDEV to be used as swap partition

	-L LBL	Label

busybox mktemp --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mktemp [-dt] [-p DIR] [TEMPLATE]

Create a temporary file with name based on TEMPLATE and print its name.
TEMPLATE must end with XXXXXX (e.g. [/dir/]nameXXXXXX).
Without TEMPLATE, -t tmp.XXXXXX is assumed.

	-d	Make directory, not file
	-q	Fail silently on errors
	-t	Prepend base directory name to TEMPLATE
	-p DIR	Use DIR as a base directory (implies -t)
	-u	Do not create anything; print a name

Base directory is: -p DIR, else $TMPDIR, else /tmp

busybox modinfo --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: modinfo [-adlpn0] [-F keyword] MODULE

	-a		Shortcut for '-F author'
	-d		Shortcut for '-F description'
	-l		Shortcut for '-F license'
	-p		Shortcut for '-F parm'
	-F keyword	Keyword to look for
	-0		NUL terminated output

busybox modprobe --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: modprobe [-alrqvsDb] MODULE [SYMBOL=VALUE]...

	-a	Load multiple MODULEs
	-l	List (MODULE is a pattern)
	-r	Remove MODULE (stacks) or do autoclean
	-q	Quiet
	-v	Verbose
	-s	Log to syslog
	-D	Show dependencies
	-b	Apply blacklist to module names too

busybox more --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: more [FILE]...

View FILE (or stdin) one screenful at a time

busybox mount --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mount [OPTIONS] [-o OPT] DEVICE NODE

Mount a filesystem. Filesystem autodetection requires /proc.

	-a		Mount all filesystems in fstab
	-f		Dry run
	-i		Don't run mount helper
	-r		Read-only mount
	-t FSTYPE[,...]	Filesystem type(s)
	-T FILE		Read FILE instead of /etc/fstab
	-O OPT		Mount only filesystems with option OPT (-a only)
-o OPT:
	loop		Ignored (loop devices are autodetected)
	[a]sync		Writes are [a]synchronous
	[no]atime	Disable/enable updates to inode access times
	[no]diratime	Disable/enable atime updates to directories
	[no]relatime	Disable/enable atime updates relative to modification time
	[no]dev		(Dis)allow use of special device files
	[no]exec	(Dis)allow use of executable files
	[no]suid	(Dis)allow set-user-id-root programs
	[r]shared	Convert [recursively] to a shared subtree
	[r]slave	Convert [recursively] to a slave subtree
	[r]private	Convert [recursively] to a private subtree
	[un]bindable	Make mount point [un]able to be bind mounted
	[r]bind		Bind a file or directory [recursively] to another location
	move		Relocate an existing mount point
	remount		Remount a mounted filesystem, changing flags
	ro		Same as -r

There are filesystem-specific -o flags.

busybox mt --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mt [-f DEVICE] OPCODE VALUE

Control magnetic tape drive operation

Opcodes:

bsf bsfm bsr bss datacompression drvbuffer eof eom erase
fsf fsfm fsr fss load lock mkpart nop offline ras1 ras2
ras3 reset retension rewind rewoffline seek setblk setdensity
setpart tell unload unlock weof wset

busybox mv --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: mv [-finT] SOURCE DEST
or: mv [-fin] SOURCE... { -t DIRECTORY | DIRECTORY }

Rename SOURCE to DEST, or move SOURCEs to DIRECTORY

	-f	Don't prompt before overwriting
	-i	Interactive, prompt before overwrite
	-n	Don't overwrite an existing file
	-T	Refuse to move if DEST is a directory
	-t DIR	Move all SOURCEs into DIR

busybox nameif --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nameif [-s] [-c FILE] [IFNAME HWADDR]...

Rename network interface while it in the down state.
The device with address HWADDR is renamed to IFNAME.

	-c FILE	Configuration file (default: /etc/mactab)
	-s	Log to syslog

busybox nbd-client --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nbd-client { [-b BLKSIZE] [-N NAME] [-t SEC] [-p] HOST [PORT] | -d } BLOCKDEV

Connect to HOST and provide network block device on BLOCKDEV

busybox nc --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nc [-iN] [-wN] [-l] [-p PORT] [-f FILE|IPADDR PORT] [-e PROG]

Open a pipe to IP:PORT or FILE

	-l	Listen mode, for inbound connects
		(use -ll with -e for persistent server)
	-p PORT	Local port
	-w SEC	Connect timeout
	-i SEC	Delay interval for lines sent
	-f FILE	Use file (ala /dev/ttyS0) instead of network
	-e PROG	Run PROG after connect

busybox netstat --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: netstat [-ral] [-tuwx] [-en]

Display networking information

	-r	Routing table
	-a	All sockets
	-l	Listening sockets
		Else: connected sockets
	-t	TCP sockets
	-u	UDP sockets
	-w	Raw sockets
	-x	Unix sockets
		Else: all socket types
	-e	Other/more information
	-n	Don't resolve names

busybox nl --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nl [OPTIONS] [FILE]...

Write FILEs to standard output with line numbers added

	-b STYLE	Which lines to number - a: all, t: nonempty, n: none
	-i N		Line number increment
	-s STRING	Use STRING as line number separator
	-v N		Start from N
	-w N		Width of line numbers

busybox nologin --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nologin

Politely refuse a login

busybox nproc --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nproc [--all] [--ignore=N]

Print number of available CPUs

	--all		Number of installed CPUs
	--ignore=N	Exclude N CPUs

busybox nsenter --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nsenter [OPTIONS] [PROG ARGS]

	-t PID		Target process to get namespaces from
	-m[FILE]	Enter mount namespace
	-u[FILE]	Enter UTS namespace (hostname etc)
	-i[FILE]	Enter System V IPC namespace
	-n[FILE]	Enter network namespace
	-p[FILE]	Enter pid namespace
	-U[FILE]	Enter user namespace
	-S UID		Set uid in entered namespace
	-G GID		Set gid in entered namespace
	--preserve-credentials	Don't touch uids or gids
	-r[DIR]		Set root directory
	-w[DIR]		Set working directory
	-F		Don't fork before exec'ing PROG

busybox nslookup --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nslookup [-type=QUERY_TYPE] [-debug] HOST [DNS_SERVER]

Query DNS about HOST

QUERY_TYPE: soa,ns,a,aaaa,cname,mx,txt,ptr,srv,any

busybox nuke --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: nuke DIR...

Remove DIRs

busybox od --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: od [-abcdfhilovxs] [-t TYPE] [-A RADIX] [-N SIZE] [-j SKIP] [-S MINSTR] [-w WIDTH]
[FILE]...

Print FILEs (or stdin) unambiguously, as octal bytes by default

busybox openvt --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: openvt [-c N] [-sw] [PROG ARGS]

Start PROG on a new virtual terminal

	-c N	Use specified VT
	-s	Switch to the VT
	-w	Wait for PROG to exit

busybox partprobe --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: partprobe DEVICE...

Ask kernel to rescan partition table

busybox passwd --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: passwd [-a ALG] [-dlu] [USER]

Change USER's password (default: current user)

	-a ALG	des,md5,sha256/512 (default sha256)
	-d	Set password to ''
	-l	Lock (disable) account
	-u	Unlock (enable) account

busybox paste --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: paste [-d LIST] [-s] [FILE]...

Paste lines from each input file, separated with tab

	-d LIST	Use delimiters from LIST, not tab
	-s      Serial: one file at a time

busybox patch --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: patch [-RNE] [-p N] [-i DIFF] [ORIGFILE [PATCHFILE]]

	-p N	Strip N leading components from file names
	-i DIFF	Read DIFF instead of stdin
	-R	Reverse patch
	-N	Ignore already applied patches
	-E	Remove output files if they become empty
	--dry-run	Don't actually change files

busybox pidof --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: pidof [NAME]...

List PIDs of all processes with names that match NAMEs

busybox ping --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ping [OPTIONS] HOST

Send ICMP ECHO_REQUESTs to HOST

	-4,-6		Force IP or IPv6 name resolution
	-c CNT		Send only CNT pings
	-s SIZE		Send SIZE data bytes in packets (default 56)
	-i SECS		Interval
	-A		Ping as soon as reply is received
	-t TTL		Set TTL
	-I IFACE/IP	Source interface or IP address
	-W SEC		Seconds to wait for the first response (default 10)
			(after all -c CNT packets are sent)
	-w SEC		Seconds until ping exits (default:infinite)
			(can exit earlier with -c CNT)
	-q		Quiet, only display output at start/finish
	-p HEXBYTE	Payload pattern

busybox ping6 --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ping6 [OPTIONS] HOST

Send ICMP ECHO_REQUESTs to HOST

	-c CNT		Send only CNT pings
	-s SIZE		Send SIZE data bytes in packets (default 56)
	-i SECS		Interval
	-A		Ping as soon as reply is received
	-I IFACE/IP	Source interface or IP address
	-W SEC		Seconds to wait for the first response (default 10)
			(after all -c CNT packets are sent)
	-w SEC		Seconds until ping exits (default:infinite)
			(can exit earlier with -c CNT)
	-q		Quiet, only display output at start/finish
	-p HEXBYTE	Payload pattern

busybox pivot_root --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: pivot_root NEW_ROOT PUT_OLD

Move the current root file system to PUT_OLD and make NEW_ROOT
the new root file system

busybox poweroff --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: poweroff [-d DELAY] [-nf]

Halt and shut off power

	-d SEC	Delay interval
	-n	Do not sync
	-f	Force (don't go through init)

busybox printf --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: printf FORMAT [ARG]...

Format and print ARG(s) according to FORMAT (a-la C printf)

busybox ps --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ps [-o COL1,COL2=HEADER] [-T]

Show list of processes

	-o COL1,COL2=HEADER	Select columns for display
	-T			Show threads

busybox pwd --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: pwd

Print the full filename of the current working directory

busybox rdate --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rdate [-s/-p] HOST

Set and print time from HOST using RFC 868

	-s	Only set system time
	-p	Only print time

busybox readlink --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: readlink [-fnv] FILE

Display the value of a symlink

	-n	Don't add newline
	-f	Canonicalize by following all symlinks
	-v	Verbose

busybox realpath --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: realpath FILE...

Print absolute pathnames of FILEs

busybox reboot --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: reboot [-d DELAY] [-nf]

Reboot the system

	-d SEC	Delay interval
	-n	Do not sync
	-f	Force (don't go through init)

busybox renice --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: renice [-n] PRIORITY [[-p|g|u] ID...]...

Change scheduling priority of a running process

	-n	Add PRIORITY to current nice value
		Without -n, nice value is set to PRIORITY
	-p	Process ids (default)
	-g	Process group ids
	-u	Process user names

busybox reset --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: reset

Reset terminal (ESC codes) and termios (signals, buffering, echo)

busybox resume --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: resume BLOCKDEV [OFFSET]

Restore system state from 'suspend-to-disk' data in BLOCKDEV

busybox rev --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rev [FILE]...

Reverse lines of FILE

busybox rm --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rm [-irf] FILE...

Remove (unlink) FILEs

	-i	Always prompt before removing
	-f	Never prompt
	-R,-r	Recurse

busybox rmdir --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rmdir [-p] DIRECTORY...

Remove DIRECTORY if it is empty

	-p	Include parents
	--ignore-fail-on-non-empty

busybox rmmod --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rmmod [-wfa] [MODULE]...

Unload kernel modules

	-w	Wait until the module is no longer used
	-f	Force unload
	-a	Remove all unused modules (recursively)

busybox route --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: route [-ne] [-A inet[6]] [{add|del} [-net|-host] TARGET [netmask MASK]
	[gw GATEWAY] [metric N] [mss BYTES] [window BYTES] [reject] [IFACE]]

Show or edit kernel routing tables

	-n	Don't resolve names
	-e	Display other/more information
	-A inet[6]	Select address family

busybox rpm --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rpm -i PACKAGE.rpm; rpm -qp[ildc] PACKAGE.rpm

Manipulate RPM packages

Commands:
	-i	Install package
	-qp	Query package
	-qpi	Show information
	-qpl	List contents
	-qpd	List documents
	-qpc	List config files

busybox rpm2cpio --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: rpm2cpio PACKAGE.rpm

Output a cpio archive of the rpm file

busybox run-init --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: run-init [-d CAP,CAP...] [-n] [-c CONSOLE_DEV] NEW_ROOT NEW_INIT [ARGS]

Free initramfs and switch to another root fs:
chroot to NEW_ROOT, delete all in /, move NEW_ROOT to /,
execute NEW_INIT. PID must be 1. NEW_ROOT must be a mountpoint.

	-c DEV	Reopen stdio to DEV after switch
	-d CAPS	Drop capabilities
	-n	Dry run

busybox run-parts --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: run-parts [-a ARG]... [-u UMASK] [--reverse] [--test] [--exit-on-error] DIRECTORY

Run a bunch of scripts in DIRECTORY

	-a ARG		Pass ARG as argument to scripts
	-u UMASK	Set UMASK before running scripts
	--reverse	Reverse execution order
	--test		Dry run
	--exit-on-error	Exit if a script exits with non-zero

busybox sed --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sed [-i[SFX]] [-nrE] [-f FILE]... [-e CMD]... [FILE]...
or: sed [-i[SFX]] [-nrE] CMD [FILE]...

	-e CMD	Add CMD to sed commands to be executed
	-f FILE	Add FILE contents to sed commands to be executed
	-i[SFX]	Edit files in-place (otherwise write to stdout)
		Optionally back files up, appending SFX
	-n	Suppress automatic printing of pattern space
	-r,-E	Use extended regex syntax

If no -e or -f, the first non-option argument is the sed command string.
Remaining arguments are input files (stdin if none).

busybox seq --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: seq [-w] [-s SEP] [FIRST [INC]] LAST

Print numbers from FIRST to LAST, in steps of INC.
FIRST, INC default to 1.

	-w	Pad with leading zeros
	-s SEP	String separator

busybox setkeycodes --help; echo                                                
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: setkeycodes { SCANCODE KEYCODE }...

Modify kernel's scancode-to-keycode map,
allowing unusual keyboards to generate usable keycodes.

SCANCODE is either xx or e0xx (hexadecimal), KEYCODE is decimal.

busybox setpriv --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: setpriv [OPTIONS] PROG ARGS

Run PROG with different privilege settings

-d,--dump		Show current capabilities
--nnp,--no-new-privs	Ignore setuid/setgid bits and file capabilities
--inh-caps CAP,CAP	Set inheritable capabilities
--ambient-caps CAP,CAP	Set ambient capabilities

busybox setsid --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: setsid [-c] PROG ARGS

Run PROG in a new session. PROG will have no controlling terminal
and will not be affected by keyboard signals (^C etc).

	-c	Set controlling terminal to stdin

busybox sh --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sh [-il] [-|+Cabefmnuvx] [-|+o OPT]... [-c 'SCRIPT' [ARG0 ARGS] | FILE ARGS | -s ARGS]

Unix shell interpreter

busybox sha1sum --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sha1sum [-c[sw]] [FILE]...

Print or check SHA1 checksums

	-c	Check sums against list in FILEs
	-s	Don't output anything, status code shows success
	-w	Warn about improperly formatted checksum lines

busybox sha256sum --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sha256sum [-c[sw]] [FILE]...

Print or check SHA256 checksums

	-c	Check sums against list in FILEs
	-s	Don't output anything, status code shows success
	-w	Warn about improperly formatted checksum lines

busybox sha3sum --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sha3sum [-c[sw]] [-a BITS] [FILE]...

Print or check SHA3 checksums

	-c	Check sums against list in FILEs
	-s	Don't output anything, status code shows success
	-w	Warn about improperly formatted checksum lines
	-a BITS	224 (default), 256, 384, 512

busybox sha512sum --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sha512sum [-c[sw]] [FILE]...

Print or check SHA512 checksums

	-c	Check sums against list in FILEs
	-s	Don't output anything, status code shows success
	-w	Warn about improperly formatted checksum lines

busybox shred --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: shred [-fuz] [-n N] [-s SIZE] FILE...

Overwrite/delete FILEs

	-f	Chmod to ensure writability
	-s SIZE	Size to write
	-n N	Overwrite N times (default 3)
	-z	Final overwrite with zeros
	-u	Remove file

busybox shuf --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: shuf [-n NUM] [-o FILE] [-z] [FILE | -e [ARG...] | -i L-H]

Randomly permute lines

	-n NUM	Output at most NUM lines
	-o FILE	Write to FILE, not standard output
	-z	NUL terminated output
	-e	Treat ARGs as lines
	-i L-H	Treat numbers L-H as lines

busybox sleep --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sleep [N]...

Pause for a time equal to the total of the args given, where each arg can
have an optional suffix of (s)econds, (m)inutes, (h)ours, or (d)ays

busybox sort --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sort [-nrughMcszbdfiokt] [-o FILE] [-k START[.OFS][OPTS][,END[.OFS][OPTS]] [-t CHAR]
[FILE]...

Sort lines of text

	-o FILE	Output to FILE
	-c	Check whether input is sorted
	-b	Ignore leading blanks
	-f	Ignore case
	-i	Ignore unprintable characters
	-d	Dictionary order (blank or alphanumeric only)
	-n	Sort numbers
	-g	General numerical sort
	-h	Sort human readable numbers (2K 1G)
	-M	Sort month
	-V	Sort version
	-t CHAR	Field separator
	-k N[,M] Sort by Nth field
	-r	Reverse sort order
	-s	Stable (don't sort ties alphabetically)
	-u	Suppress duplicate lines
	-z	NUL terminated input and output

busybox ssl_client --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ssl_client [-e] -s FD [-r FD] [-n SNI]

busybox start-stop-daemon --help; echo                                          
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: start-stop-daemon -S|-K [OPTIONS] [-- ARGS]

Search for matching processes, and then
-S: start a process unless a matching process is found
-K: stop all matching processes

Process matching:
	-u USERNAME|UID	Match only this user's processes
	-n NAME		Match processes with NAME
			in comm field in /proc/PID/stat
	-x EXECUTABLE	Match processes with this command
			in /proc/PID/cmdline
	-p FILE		Match a process with PID from FILE
	All specified conditions must match
-S only:
	-x EXECUTABLE	Program to run
	-a NAME		Zeroth argument
	-b		Background
	-O FILE		Append stdout and stderr to FILE
	-N N		Change nice level
	-c USER[:[GRP]]	Change user/group
	-d DIR		Change to DIR
	-m		Write PID to pidfile specified by -p
-K only:
	-s SIG		Signal to send
	-t		Match only, exit with 0 if found
Other:
	-o		Exit with status 0 if nothing is done
	-v		Verbose
	-q		Quiet

busybox stat --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: stat [-ltf] [-c FMT] FILE...

Display file (default) or filesystem status

	-c FMT	Use the specified format
	-f	Display filesystem status
	-L	Follow links
	-t	Terse display

FMT sequences for files:
 %a	Access rights in octal
 %A	Access rights in human readable form
 %b	Number of blocks allocated (see %B)
 %B	Size in bytes of each block reported by %b
 %d	Device number in decimal
 %D	Device number in hex
 %f	Raw mode in hex
 %F	File type
 %g	Group ID
 %G	Group name
 %h	Number of hard links
 %i	Inode number
 %n	File name
 %N	File name, with -> TARGET if symlink
 %o	I/O block size
 %s	Total size in bytes
 %t	Major device type in hex
 %T	Minor device type in hex
 %u	User ID
 %U	User name
 %x	Time of last access
 %X	Time of last access as seconds since Epoch
 %y	Time of last modification
 %Y	Time of last modification as seconds since Epoch
 %z	Time of last change
 %Z	Time of last change as seconds since Epoch

FMT sequences for file systems:
 %a	Free blocks available to non-superuser
 %b	Total data blocks
 %c	Total file nodes
 %d	Free file nodes
 %f	Free blocks
 %i	File System ID in hex
 %l	Maximum length of filenames
 %n	File name
 %s	Block size (for faster transfer)
 %S	Fundamental block size (for block counts)
 %t	Type in hex
 %T	Type in human readable form

busybox strings --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: strings [-fo] [-t o|d|x] [-n LEN] [FILE]...

Display printable strings in a binary file

	-f		Precede strings with filenames
	-o		Precede strings with octal offsets
	-t o|d|x	Precede strings with offsets in base 8/10/16
	-n LEN		At least LEN characters form a string (default 4)

busybox stty --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: stty [-a|g] [-F DEVICE] [SETTING]...

Without arguments, prints baud rate, line discipline,
and deviations from stty sane

	-F DEVICE	Open device instead of stdin
	-a		Print all current settings in human-readable form
	-g		Print in stty-readable form
	[SETTING]	See manpage

busybox su --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: su [-lmp] [-s SH] [-] [USER [FILE ARGS | -c 'CMD' [ARG0 ARGS]]]

Run shell under USER (by default, root)

	-,-l	Clear environment, go to home dir, run shell as login shell
	-p,-m	Do not set new $HOME, $SHELL, $USER, $LOGNAME
	-c CMD	Command to pass to 'sh -c'
	-s SH	Shell to use instead of user's default

busybox sulogin --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sulogin [-t N] [TTY]

Single user login

	-p	Start a login shell
	-t SEC	Timeout

busybox svc --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: svc [-udopchaitkx] SERVICE_DIR...

Control services monitored by runsv supervisor

	-u	If service is not running, start it; restart if it stops
	-d	If service is running, send TERM+CONT signals; do not restart it
	-o	Once: if service is not running, start it; do not restart it
	-pchaitk Send STOP, CONT, HUP, ALRM, INT, TERM, KILL signal to service
	-x	Exit: runsv will exit as soon as the service is down

busybox svok --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: svok SERVICE_DIR

Check whether runsv supervisor is running.
Exit code is 0 if it does, 100 if it does not,
111 (with error message) if SERVICE_DIR does not exist.

busybox swapoff --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: swapoff [-a] [DEVICE]

Stop swapping on DEVICE

	-a	Stop swapping on all swap devices

busybox swapon --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: swapon [-a] [-e] [-d[POL]] [DEVICE]

Start swapping on DEVICE

	-a	Start swapping on all swap devices
	-d[POL]	Discard blocks at swapon (POL=once),
		as freed (POL=pages), or both (POL omitted)
	-e	Silently skip devices that do not exist

busybox switch_root --help; echo                                                
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: switch_root [-c CONSOLE_DEV] NEW_ROOT NEW_INIT [ARGS]

Free initramfs and switch to another root fs:
chroot to NEW_ROOT, delete all in /, move NEW_ROOT to /,
execute NEW_INIT. PID must be 1. NEW_ROOT must be a mountpoint.

	-c DEV	Reopen stdio to DEV after switch

busybox sync --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sync [-df] [FILE]...

Write all buffered blocks (in FILEs) to disk
	-d	Avoid syncing metadata
	-f	Sync filesystems underlying FILEs

busybox sysctl --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: sysctl [-enq] { -a | -p [FILE]... | [-w] [KEY[=VALUE]]... }

Show/set kernel parameters

	-e	Don't warn about unknown keys
	-n	Don't show key names
	-q      Quiet
	-a	Show all values
	-p	Set values from FILEs (default /etc/sysctl.conf)
	-w	Set values

busybox syslogd --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: syslogd [OPTIONS]

System logging utility

	-n		Run in foreground
	-R HOST[:PORT]	Log to HOST:PORT (default PORT:514)
	-L		Log locally and via network (default is network only if -R)
	-C[size_kb]	Log to shared mem buffer (use logread to read it)
	-O FILE		Log to FILE (default: /var/log/messages, stdout if -)
	-s SIZE		Max size (KB) before rotation (default 200KB, 0=off)
	-b N		N rotated logs to keep (default 1, max 99, 0=purge)
	-l N		Log only messages more urgent than prio N (1-8)
	-S		Smaller output
	-t		Strip client-generated timestamps
	-D		Drop duplicates
	-f FILE		Use FILE as config (default:/etc/syslog.conf)

busybox tac --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tac [FILE]...

Concatenate FILEs and print them in reverse

busybox tail --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tail [OPTIONS] [FILE]...

Print last 10 lines of FILEs (or stdin) to.
With more than one FILE, precede each with a filename header.

	-c [+]N[bkm]	Print last N bytes
	-n N[bkm]	Print last N lines
	-n +N[bkm]	Start on Nth line and print the rest
			(b:*512 k:*1024 m:*1024^2)
	-q		Never print headers
	-v		Always print headers
	-f		Print data as file grows
	-F		Same as -f, but keep retrying
	-s SECONDS	Wait SECONDS between reads with -f

busybox tar --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tar c|x|t [-ZzJjahmvokO] [-f TARFILE] [-C DIR] [FILE]...

Create, extract, or list files from a tar file

	c	Create
	x	Extract
	t	List
	-f FILE	Name of TARFILE ('-' for stdin/out)
	-C DIR	Change to DIR before operation
	-v	Verbose
	-O	Extract to stdout
	-m	Don't restore mtime
	-o	Don't restore user:group
	-k	Don't replace existing files
	-Z	(De)compress using compress
	-z	(De)compress using gzip
	-J	(De)compress using xz
	-j	(De)compress using bzip2
	--lzma	(De)compress using lzma
	-a	(De)compress based on extension
	-h	Follow symlinks
	--overwrite		Replace existing files
	--strip-components NUM	NUM of leading components to strip
	--no-recursion		Don't descend in directories
	--numeric-owner		Use numeric user:group
	--no-same-permissions	Don't restore access permissions
	--to-command COMMAND	Pipe files to COMMAND

busybox taskset --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: taskset [-ap] [HEXMASK | -c LIST] { PID | PROG ARGS }

Set or get CPU affinity

	-p	Operate on PID
	-a	Operate on all threads
	-c	Affinity is a list, not mask

busybox tc --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tc OBJECT CMD [dev STRING]

OBJECT: qdisc|class|filter
CMD: add|del|change|replace|show

qdisc [handle QHANDLE] [root|ingress|parent CLASSID]
	[[QDISC_KIND] [help|OPTIONS]]
	QDISC_KIND := [p|b]fifo|tbf|prio|red|etc.
qdisc show [dev STRING] [ingress]
class [classid CLASSID] [root|parent CLASSID]
	[[QDISC_KIND] [help|OPTIONS] ]
class show [ dev STRING ] [root|parent CLASSID]
filter [pref PRIO] [protocol PROTO]
	[root|classid CLASSID] [handle FILTERID]
	[[FILTER_TYPE] [help|OPTIONS]]
filter show [dev STRING] [root|parent CLASSID]

busybox tee --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tee [-ai] [FILE]...

Copy stdin to each FILE, and also to stdout

	-a	Append to the given FILEs, don't overwrite
	-i	Ignore interrupt signals (SIGINT)

busybox telnet --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: telnet [-a] [-l USER] HOST [PORT]

Connect to telnet server

	-a	Automatic login with $USER variable
	-l USER	Automatic login as USER

busybox telnetd --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: telnetd [OPTIONS]

Handle incoming telnet connections

	-l LOGIN	Exec LOGIN on connect
	-f ISSUE_FILE	Display ISSUE_FILE instead of /etc/issue
	-K		Close connection as soon as login exits
			(normally wait until all programs close slave pty)
	-p PORT		Port to listen on. Default 23
	-b ADDR[:PORT]	Address to bind to
	-F		Run in foreground
	-i		Inetd mode

busybox test --help; echo                                                       

busybox tftp --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tftp [OPTIONS] HOST [PORT]

Transfer a file from/to tftp server

	-l FILE	Local FILE
	-r FILE	Remote FILE
	-g	Get file
	-p	Put file
	-b SIZE	Transfer blocks in bytes

busybox time --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: time [-vpa] [-o FILE] PROG ARGS

Run PROG, display resource usage when it exits

	-v	Verbose
	-p	POSIX output format
	-f FMT	Custom format
	-o FILE	Write result to FILE
	-a	Append (else overwrite)

busybox timeout --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: timeout [-s SIG] [-k KILL_SECS] SECS PROG ARGS

Run PROG. Send SIG to it if it is not gone in SECS seconds.
Default SIG: TERM.If it still exists in KILL_SECS seconds, send KILL.


busybox top --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: top [-bH] [-n COUNT] [-d SECONDS]

Show a view of process activity in real time.
Read the status of all processes from /proc each SECONDS
and show a screenful of them.
Keys:
	N/M/P/T: sort by pid/mem/cpu/time
	R: reverse sort
	H: toggle threads
	Q,^C: exit
Options:
	-b	Batch mode
	-n N	Exit after N iterations
	-d SEC	Delay between updates
	-H	Show threads

busybox touch --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: touch [-cham] [-d DATE] [-t DATE] [-r FILE] FILE...

Update mtime of FILEs

	-c	Don't create files
	-h	Don't follow links
	-a	Change only atime
	-m	Change only mtime
	-d DT	Date/time to use
	-t DT	Date/time to use
	-r FILE	Use FILE's date/time

busybox tr --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tr [-cds] STRING1 [STRING2]

Translate, squeeze, or delete characters from stdin, writing to stdout

	-c	Take complement of STRING1
	-d	Delete input characters coded STRING1
	-s	Squeeze multiple output characters of STRING2 into one character

busybox traceroute --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: traceroute [-46Flnrv] [-f 1ST_TTL] [-m MAXTTL] [-q PROBES] [-p PORT]
	[-t TOS] [-w WAIT_SEC] [-s SRC_IP] [-i IFACE]
	[-z PAUSE_MSEC] HOST [BYTES]

Trace the route to HOST

	-4,-6	Force IP or IPv6 name resolution
	-F	Set don't fragment bit
	-l	Display TTL value of the returned packet
	-n	Print numeric addresses
	-r	Bypass routing tables, send directly to HOST
	-v	Verbose
	-f N	First number of hops (default 1)
	-m N	Max number of hops
	-q N	Number of probes per hop (default 3)
	-p N	Base UDP port number used in probes
		(default 33434)
	-s IP	Source address
	-i IFACE Source interface
	-t N	Type-of-service in probe packets (default 0)
	-w SEC	Wait for a response (default 3)
	-z MSEC	Wait before each send

busybox traceroute6 --help; echo                                                
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: traceroute6 [-nrv] [-f 1ST_TTL] [-m MAXTTL] [-q PROBES] [-p PORT]
	[-t TOS] [-w WAIT_SEC] [-s SRC_IP] [-i IFACE]
	[-z PAUSE_MSEC] HOST [BYTES]

Trace the route to HOST

	-n	Print numeric addresses
	-r	Bypass routing tables, send directly to HOST
	-v	Verbose
	-f N	First number of hops (default 1)
	-m N	Max number of hops
	-q N	Number of probes per hop (default 3)
	-p N	Base UDP port number used in probes
		(default 33434)
	-s IP	Source address
	-i IFACE Source interface
	-t N	Type-of-service in probe packets (default 0)
	-w SEC	Wait for a response (default 3)
	-z MSEC	Wait before each send

busybox true --help; echo                                                       

busybox truncate --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: truncate [-c] -s SIZE FILE...

Truncate FILEs to SIZE

	-c	Do not create files
	-s SIZE

busybox ts --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ts [-is] [STRFTIME]

Pipe stdin to stdout, add timestamp to each line

	-s	Time since start
	-i	Time since previous line

busybox tty --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tty [-s]

Print file name of stdin's terminal

	-s	Print nothing, only return exit status

busybox tunctl --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: tunctl [-f DEVICE] [-t NAME | -d NAME]

Create or delete TUN/TAP interfaces

	-f DEV	TUN device (default /dev/net/tun)
	-t NAME	Create iface (default: tapN)
	-d NAME	Delete iface

busybox ubirename --help; echo                                                  
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: ubirename UBI_DEVICE OLD_VOLNAME NEW_VOLNAME [OLD2 NEW2]...

Rename UBI volumes on UBI_DEVICE

busybox udhcpc --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: udhcpc [-fbqRB] [-a[MSEC]] [-t N] [-T SEC] [-A SEC|-n]
	[-i IFACE] [-s PROG] [-p PIDFILE]
	[-oC] [-r IP] [-V VENDOR] [-F NAME] [-x OPT:VAL]... [-O OPT]...

	-i IFACE	Interface to use (default eth0)
	-s PROG		Run PROG at DHCP events (default /etc/udhcpc/default.script)
	-p FILE		Create pidfile
	-B		Request broadcast replies
	-t N		Send up to N discover packets (default 3)
	-T SEC		Pause between packets (default 3)
	-A SEC		Wait if lease is not obtained (default 20)
	-b		Background if lease is not obtained
	-n		Exit if lease is not obtained
	-q		Exit after obtaining lease
	-R		Release IP on exit
	-f		Run in foreground
	-S		Log to syslog too
	-a[MSEC]	Validate offered address with ARP ping
	-r IP		Request this IP address
	-o		Don't request any options (unless -O is given)
	-O OPT		Request option OPT from server (cumulative)
	-x OPT:VAL	Include option OPT in sent packets (cumulative)
			Examples of string, numeric, and hex byte opts:
			-x hostname:bbox - option 12
			-x lease:3600 - option 51 (lease time)
			-x 0x3d:0100BEEFC0FFEE - option 61 (client id)
			-x 14:'"dumpfile"' - option 14 (shell-quoted)
	-F NAME		Ask server to update DNS mapping for NAME
	-V VENDOR	Vendor identifier (default 'udhcp VERSION')
	-C		Don't send MAC as client identifier
Signals:
	USR1	Renew lease
	USR2	Release lease

busybox udhcpc6 --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: udhcpc6 [-fbqR] [-t N] [-T SEC] [-A SEC|-n] [-i IFACE] [-s PROG]
	[-p PIDFILE] [-ldo] [-r IPv6] [-x OPT:VAL]... [-O OPT]...

	-i IFACE	Interface to use (default eth0)
	-p FILE		Create pidfile
	-s PROG		Run PROG at DHCP events (default /etc/udhcpc/default6.script)
	-B		Request broadcast replies
	-t N		Send up to N discover packets
	-T SEC		Pause between packets (default 3)
	-A SEC		Wait if lease is not obtained (default 20)
	-b		Background if lease is not obtained
	-n		Exit if lease is not obtained
	-q		Exit after obtaining lease
	-R		Release IP on exit
	-f		Run in foreground
	-S		Log to syslog too
	-l		Send 'information request' instead of 'solicit'
			(used for servers which do not assign IPv6 addresses)
	-r IPv6		Request this address ('no' to not request any IP)
	-d		Request prefix
	-o		Don't request any options (unless -O is given)
	-O OPT		Request option OPT from server (cumulative)
	-x OPT:VAL	Include option OPT in sent packets (cumulative)
			Examples of string, numeric, and hex byte opts:
			-x hostname:bbox - option 12
			-x lease:3600 - option 51 (lease time)
			-x 0x3d:0100BEEFC0FFEE - option 61 (client id)
			-x 14:'"dumpfile"' - option 14 (shell-quoted)
Signals:
	USR1	Renew lease
	USR2	Release lease

busybox udhcpd --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: udhcpd [-fS] [-I ADDR] [-a MSEC] [CONFFILE]

DHCP server

	-f	Run in foreground
	-S	Log to syslog too
	-I ADDR	Local address
	-a MSEC	Timeout for ARP ping (default 2000)
Signals:
	USR1	Update lease file

busybox uevent --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uevent [PROG ARGS]

uevent runs PROG for every netlink notification.
PROG's environment contains data passed from the kernel.
Typical usage (daemon for dynamic device node creation):
	# uevent mdev & mdev -s

busybox umount --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: umount [-rlfda] [-t FSTYPE] FILESYSTEM|DIRECTORY

Unmount filesystems

	-a	Unmount all filesystems
	-r	Remount devices read-only if mount is busy
	-l	Lazy umount (detach filesystem)
	-f	Force umount (i.e., unreachable NFS server)
	-d	Free loop device if it has been used
	-t FSTYPE[,...]	Unmount only these filesystem type(s)

busybox uname --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uname [-amnrspvio]

Print system information

	-a	Print all
	-m	Machine (hardware) type
	-n	Hostname
	-r	Kernel release
	-s	Kernel name (default)
	-p	Processor type
	-v	Kernel version
	-i	Hardware platform
	-o	OS name

busybox uncompress --help; echo                                                 
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uncompress [-cf] [FILE]...

Decompress FILEs (or stdin)

	-c	Write to stdout
	-f	Overwrite

busybox unexpand --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unexpand [-fa][-t N] [FILE]...

Convert spaces to tabs, writing to stdout

	-a	Convert all blanks
	-f	Convert only leading blanks
	-t N	Tabstops every N chars

busybox uniq --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uniq [-cduiz] [-f,s,w N] [FILE [OUTFILE]]

Discard duplicate lines

	-c	Prefix lines by the number of occurrences
	-d	Only print duplicate lines
	-u	Only print unique lines
	-i	Ignore case
	-z	NUL terminated output
	-f N	Skip first N fields
	-s N	Skip first N chars (after any skipped fields)
	-w N	Compare N characters in line

busybox unix2dos --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unix2dos [-ud] [FILE]

Convert FILE in-place from Unix to DOS format.
When no file is given, use stdin/stdout.

	-u	dos2unix
	-d	unix2dos

busybox unlink --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unlink FILE

Delete FILE by calling unlink()

busybox unlzma --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unlzma [-cfk] [FILE]...

Decompress FILEs (or stdin)

	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox unshare --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unshare [OPTIONS] [PROG ARGS]

	-m,--mount[=FILE]	Unshare mount namespace
	-u,--uts[=FILE]		Unshare UTS namespace (hostname etc.)
	-i,--ipc[=FILE]		Unshare System V IPC namespace
	-n,--net[=FILE]		Unshare network namespace
	-p,--pid[=FILE]		Unshare PID namespace
	-U,--user[=FILE]	Unshare user namespace
	-f			Fork before execing PROG
	-r			Map current user to root (implies -U)
	--mount-proc[=DIR]	Mount /proc filesystem first (implies -m)
	--propagation slave|shared|private|unchanged
				Modify mount propagation in mount namespace
	--setgroups allow|deny	Control the setgroups syscall in user namespaces

busybox unxz --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unxz [-cfk] [FILE]...

Decompress FILEs (or stdin)

	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox unzip --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: unzip [-lnojpqK] FILE[.zip] [FILE]... [-x FILE]... [-d DIR]

Extract FILEs from ZIP archive

	-l	List contents (with -q for short form)
	-n	Never overwrite files (default: ask)
	-o	Overwrite
	-j	Do not restore paths
	-p	Write to stdout
	-t	Test
	-q	Quiet
	-K	Do not clear SUID bit
	-x FILE	Exclude FILEs
	-d DIR	Extract into DIR

busybox uptime --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uptime

Display the time since the last boot

busybox usleep --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: usleep N

Pause for N microseconds

busybox uudecode --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uudecode [-o OUTFILE] [INFILE]

Uudecode a file
Finds OUTFILE in uuencoded source unless -o is given

busybox uuencode --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: uuencode [-m] [FILE] STORED_FILENAME

Uuencode FILE (or stdin) to stdout

	-m	Use base64 encoding per RFC1521

busybox vconfig --help; echo                                                    
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: vconfig COMMAND [OPTIONS]

Create and remove virtual ethernet devices

	add IFACE VLAN_ID
	rem VLAN_NAME
	set_flag IFACE 0|1 VLAN_QOS
	set_egress_map VLAN_NAME SKB_PRIO VLAN_QOS
	set_ingress_map VLAN_NAME SKB_PRIO VLAN_QOS
	set_name_type NAME_TYPE

busybox vi --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: vi [-c CMD] [-R] [-H] [FILE]...

Edit FILE

	-c CMD	Initial command to run ($EXINIT and ~/.exrc also available)
	-R	Read-only
	-H	List available features

busybox w --help; echo                                                          
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: w

Show who is logged on

busybox watch --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: watch [-n SEC] [-t] PROG ARGS

Run PROG periodically

	-n SEC	Period (default 2)
	-t	Don't print header

busybox watchdog --help; echo                                                   
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: watchdog [-t N[ms]] [-T N[ms]] [-F] DEV

Periodically write to watchdog device DEV

	-T N	Reboot after N seconds if not reset (default 60)
	-t N	Reset every N seconds (default 30)
	-F	Run in foreground

Use 500ms to specify period in milliseconds

busybox wc --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: wc [-cmlwL] [FILE]...

Count lines, words, and bytes for FILEs (or stdin)

	-c	Count bytes
	-m	Count characters
	-l	Count newlines
	-w	Count words
	-L	Print longest line length

busybox wget --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: wget [-cqS] [--spider] [-O FILE] [-o LOGFILE] [--header STR]
	[--post-data STR | --post-file FILE] [-Y on/off]
	[--no-check-certificate] [-P DIR] [-U AGENT] [-T SEC] URL...

Retrieve files via HTTP or FTP

	--spider	Only check URL existence: $? is 0 if exists
	--header STR	Add STR (of form 'header: value') to headers
	--post-data STR	Send STR using POST method
	--post-file FILE	Send FILE using POST method
	--no-check-certificate	Don't validate the server's certificate
	-c		Continue retrieval of aborted transfer
	-q		Quiet
	-P DIR		Save to DIR (default .)
	-S    		Show server response
	-T SEC		Network read timeout is SEC seconds
	-O FILE		Save to FILE ('-' for stdout)
	-o LOGFILE	Log messages to FILE
	-U STR		Use STR for User-Agent header
	-Y on/off	Use proxy

busybox which --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: which [-a] COMMAND...

Locate COMMAND

	-a	Show all matches

busybox who --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: who [-aH]

Show who is logged on

	-a	Show all
	-H	Print column headers

busybox whoami --help; echo                                                     
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: whoami

Print the user name associated with the current effective user id

busybox xargs --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: xargs [OPTIONS] [PROG ARGS]

Run PROG on every item given by stdin

	-0	NUL terminated input
	-a FILE	Read from FILE instead of stdin
	-o	Reopen stdin as /dev/tty
	-r	Don't run command if input is empty
	-t	Print the command on stderr before execution
	-p	Ask user whether to run each command
	-E STR,-e[STR]	STR stops input processing
	-I STR	Replace STR within PROG ARGS with input line
	-n N	Pass no more than N args to PROG
	-s N	Pass command line of no more than N bytes
	-P N	Run up to N PROGs in parallel
	-x	Exit if size is exceeded

busybox xxd --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: xxd [-pri] [-g N] [-c N] [-l LEN] [-s OFS] [-o OFS] [FILE]

Hex dump FILE (or stdin)

	-g N		Bytes per group
	-c N		Bytes per line
	-p		Show only hex bytes, assumes -c30
	-i		C include file style
	-l LENGTH	Show only first LENGTH bytes
	-s OFFSET	Skip OFFSET bytes
	-o OFFSET	Add OFFSET to displayed offset
	-r		Reverse (with -p, assumes no offsets in input)

busybox xz --help; echo                                                         
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: xz -d [-cfk] [FILE]...

Decompress FILEs (or stdin)

	-d	Decompress
	-c	Write to stdout
	-f	Force
	-k	Keep input files
	-t	Test integrity

busybox xzcat --help; echo                                                      
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: xzcat [FILE]...

Decompress to stdout

busybox yes --help; echo                                                        
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: yes [STRING]

Repeatedly print a line with STRING, or 'y'

busybox zcat --help; echo                                                       
BusyBox v1.37.0 (Debian 1:1.37.0-6+b7) multi-call binary.

Usage: zcat [FILE]...

Decompress to stdout