752 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			752 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| 
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| Busybox POSIX conformance table
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| 
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| See POSIX documentation (1003.1-2008) here:
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| http://www.opengroup.org/onlinepubs/9699919799/
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| And the complete list of all utilities that POSIX covers:
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| http://www.opengroup.org/onlinepubs/9699919799/idx/utilities.html
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| 
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| This listing is a work in progress, and currently only covers
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| tool options (not operands, environment variables, return codes, etc..).
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| For each option it is set if it (a) exists and (b) compliant to POSIX 2008.
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| Some options exist but there is no value in the 'compliant' column: that
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| means no one has yet bothered to make sure that the option does what it is
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| required to do.
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| 
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| -----------------------------------------------
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| 
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| POSIX Tools supported only as shell built-ins (ash shell):
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|   alias, bg, cd, fg, getopts, hash, jobs, read, type, umask, ulimit,
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|   unalias, wait, write
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| 
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| POSIX Tools not supported:
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|   asa, at, batch, bc, c99, command, compress, csplit, ex, fc, file,
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|   gencat, getconf, iconv, join, link, locale, localedef, lp, m4,
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|   mailx, newgrp, nl, pathchk, pax, pr, qalter, qdel, qhold, qmove,
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|   qmsg, qrerun, qrls, qselect, qsig, qstat, qsub, tabs, talk, tput,
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|   tsort, unlink, uucp, uustat, uux
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| 
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| POSIX Tools not supported (DEVELOPMENT):
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|   admin, cflow, ctags, cxref, delta, fort77, get, lex, make, nm, prs, rmdel,
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|   sact, sccs, strip, unget, val, what, yacc
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| 
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| 
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| POSIX Tools supported:
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| 
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| Note: echo, printf, kill, pwd documented here as stand-alone applets,
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|       not as ash built-ins.
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| 
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| 
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| ar POSIX options ********************* Failed to recognize zip & tar (did not compare to regular ar)
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|  option           | exists | compliant | remarks
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|   -C              |  no    | no        |
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|   -T              |  no    | no        |
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|   -a              |  no    | no        |
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|   -b              |  no    | no        |
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|   -c              |  no    | no        |
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|   -d              |  no    | no        |
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|   -i              |  no    | no        |
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|   -m              |  no    | no        |
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|   -p              |  yes   |           |
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|   -q              |  no    | no        |
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|   -r              |  no    | no        |
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|   -s              |  no    | no        |
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|   -t              |  yes   |           |
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|   -u              |  no    | no        |
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|   -v              |  yes   |           |
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|   -x              |  yes   |           |
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| ar Busybox specific options:
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|   -o
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| 
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| awk POSIX options
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|  option           | exists | compliant | remarks
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|   -F ERE          |  yes   |           |
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|   -f progfile     |  yes   |           |
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|   -v assignment   |  yes   |           |
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| awk Busybox specific options: None
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| 
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| basename POSIX options: None
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| basename Busybox specific options: None
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| 
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| cal POSIX options: None
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| cal Busybox specific options:
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|   -y, -j
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| 
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| cat POSIX options
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|  option           | exists | compliant | remarks
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|   -u              |  yes   | no        | option is ignored
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| cat Busybox specific options: None
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| 
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| chgrp POSIX options
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|  option           | exists | compliant | remarks
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|   -H              |  yes   |           |
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|   -L              |  yes   |           |
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|   -P              |  yes   |           |
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|   -R              |  yes   |           |
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|   -h              |  yes   |           |
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| chgrp Busybox specific options:
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|   -f, -c, -v
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| 
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| chmod POSIX options
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|  option           | exists | compliant | remarks
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|   -R              |  yes   | yes       |
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| chmod Busybox specific options:
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|   -f, -v, -c
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| 
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| chown POSIX options *********************************************
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|  option           | exists | compliant | remarks
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|   -H              |  yes   |           | It seems like all flags are supported (according to printout), but
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|   -L              |  yes   |           |  it fails to work on my machine
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|   -P              |  yes   |           |
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|   -R              |  yes   |           |
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|   -h              |  yes   |           |
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| chown Busybox specific options:
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|   -f, -c, -v
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| 
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| cksum POSIX options: None
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| cksum Busybox specific options: None
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| 
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| cmp POSIX options
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|  option           | exists | compliant | remarks
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|   -l              |  yes   | yes       |
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|   -s              |  yes   | yes       |
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| cmp Busybox specific options:
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| 
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| 
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| comm POSIX options
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|  option           | exists | compliant | remarks
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|   -1              |  yes   | yes       |
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|   -2              |  yes   | yes       |
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|   -3              |  yes   | yes       |
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| comm Busybox specific options: None
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| 
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| cp POSIX options
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|  option           | exists | compliant | remarks
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|   -H              |  yes   | yes       |
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|   -L              |  yes   | yes       |
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|   -P              |  yes   | yes       |
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|   -R              |  yes   | yes       |
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|   -f              |  yes   | yes       |
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|   -i              |  yes   | yes       |
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|   -p              |  yes   | yes       |
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| cp Busybox specific options:
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|   -d, -a, -s, -c, -r, -l
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| 
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| crontab POSIX options
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|  option           | exists | compliant | remarks
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|   -e              |  yes   |           |
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|   -l              |  yes   |           |
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|   -r              |  yes   |           |
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| crontab Busybox specific options:
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|   -u, -c
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| 
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| cut POSIX options
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|  option           | exists | compliant | remarks
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|   -b list         |  yes   | yes       |
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|   -c list         |  yes   | yes       |
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|   -d delim        |  yes   | yes       |
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|   -f list         |  yes   | yes       |
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|   -n              |  yes   | yes       |
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|   -s              |  yes   | yes       |
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| cut Busybox specific options: None
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| 
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| date POSIX options
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|  option           | exists | compliant | remarks
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|   -u              |  yes   | yes       |
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| date Busybox specific options:
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|   -I[SPEC], -d TIME, -r FILE, -R, -D FMT
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| 
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| dd POSIX options:
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|  option           | exists | compliant | remarks
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|   if              |  yes   |           |
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|   of              |  yes   |           |
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|   ibs             |  yes   |           |
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|   obs             |  yes   |           |
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|   bs              |  yes   |           |
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|   cbs             |  no    | no        |
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|   skip            |  yes   |           |
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|   seek            |  yes   |           |
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|   count           |  yes   |           |
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|   conv=ascii      |  no    | no        |
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|   conv=ebcdic     |  no    | no        |
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|   conv=ibm        |  no    | no        |
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|   conv=block      |  no    | no        |
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|   conv=unblock    |  no    | no        |
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|   conv=lcase      |  no    | no        |
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|   conv=ucase      |  no    | no        |
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|   conv=swap       |  no    | no        |
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|   conv=noerror    |  yes   |           |
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|   conv=notrunc    |  yes   |           |
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|   conv=sync       |  yes   |           |
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| dd compatibility options:
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|   conv=fsync      |  yes   |           |
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|   iflag=skip_bytes|  yes   |           |
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|   iflag=fullblock |  yes   |           |
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|   oflag=seek_bytes|  yes   |           |
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|   oflag=append    |  yes   |           |
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| 
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| df POSIX options
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|  option           | exists | compliant | remarks
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|   -P              |  yes   | yes       |
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|   -k              |  yes   | yes       |
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|   -t              |  no    | no        |
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| df Busybox specific options:
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|   -a, -m, -B SIZE, -i, -h
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| Remark:
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| - It seems that GNU df does not round percents up in its output (thus its results are a bit different)
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| 
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| diff POSIX options
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|  option           | exists | compliant | remarks
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|   -C n            |  no    | no        |
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|   -U n            |  yes   |           |
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|   -b              |  yes   |           |
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|   -c              |  no    | no        |
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|   -e              |  no    | no        |
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|   -f              |  no    | no        |
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|   -r              |  yes   |           |
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|   -u              |  no    | no        |
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| diff Busybox specific options:
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|   -d, -a, -s, -t, -L, -N, -i, -T, -w, -q, -S
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| 
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| dirname POSIX options: None
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| dirname Busybox specific options: None
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| 
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| du POSIX options
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|  option           | exists | compliant | remarks
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|   -H              |  yes   |           |
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|   -L              |  yes   |           |
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|   -a              |  yes   |           |
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|   -k              |  yes   |           |
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|   -s              |  yes   |           |
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|   -x              |  yes   |           |
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| du Busybox specific options:
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|   -c, -m, -h, -d N, -l
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| 
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| 
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| echo POSIX options: None
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|  option           | exists | compliant | remarks
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|   -n              |  yes   | yes       | The result of -n is "implementation-defined"
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| echo Busybox specific options:
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|   -e, -E
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| 
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| ed POSIX options
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|  option           | exists | compliant | remarks
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|   -p string       |  no    | no        |
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|   -s              |  no    | no        |
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| ed Busybox specific options: None
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| 
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| env POSIX options
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|  option           | exists | compliant | remarks
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|   -i              |  no    | no        |
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| env Busybox specific options:
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|   -u, -,  -i
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| 
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| expand POSIX options
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|  option           | exists | compliant | remarks
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|   -t tablist      |  yes   | yes       |
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| expand Busybox specific options:
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|   --tabs=N, -i, --initial
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| 
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| expr POSIX operations:
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|  option           | exists | compliant | remarks
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|   |               |  yes   |  yes      |
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|   &               |  yes   |  yes      |
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|   =               |  yes   |  yes      |
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|   >               |  yes   |  yes      |
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|   >=              |  yes   |  yes      |
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|   <=              |  yes   |  yes      |
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|   <               |  yes   |  yes      |
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|   !=              |  yes   |  yes      |
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|   +               |  yes   |  yes      |
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|   -               |  yes   |  yes      |
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|   *               |  yes   |  yes      |
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|   /               |  yes   |  yes      |
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|   %               |  yes   |  yes      |
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|   :               |  yes   |  yes      |
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|   (expr)          |  yes   |  yes      |
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|   integer         |  yes   |  yes      |
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|   string          |  yes   |  yes      |
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| expr Busybox specific operations:
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|   match, substr, index, length, quote
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| 
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| false POSIX options: None
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| false Busybox specific options: None
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| 
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| find POSIX options
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|  option           | exists | compliant | remarks
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|   -H              |  no    | no        |
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|   -L              |  no    | no        |
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| find Busybox specific options:
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|   -group NAME, -mtime DAYS, -print, -maxdepth N, -exec CMD ARG ;, -newer FILE, -context, -iname PATTERN, -follow, -depth, -xdev, -inum N, -type X, -print0, -mindepth N, -mmin MINS, -regex PATTERN, -prune, -path PATTERN, -user NAME, -delete, -perm NNN, -name PATTERN, -size N[bck]
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| 
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| fold POSIX options
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|  option           | exists | compliant | remarks
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|   -b              |  yes   | yes       |
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|   -s              |  yes   | yes       |
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|   -w width        |  yes   | yes       |
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| fold Busybox specific options: None
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| 
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| fuser POSIX options
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|  option           | exists | compliant | remarks
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|   -c              |  no    | no        |
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|   -f              |  no    | no        |
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|   -u              |  no    | no        |
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| fuser Busybox specific options:
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|   -m, -k, -4, -SIGNAL, -6, -s
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| 
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| grep POSIX options
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|  option           | exists | compliant | remarks
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|   -E              |  yes   |           |
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|   -F              |  yes   |           |
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|   -c              |  yes   |           |
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|   -e pattern_list |  yes   |           |
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|   -f pattern_file |  yes   |           |
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|   -i              |  yes   |           |
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|   -l              |  yes   |           |
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|   -n              |  yes   |           |
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|   -q              |  yes   |           |
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|   -s              |  yes   |           |
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|   -v              |  yes   |           |
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|   -x              |  no    | no        |
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| grep Busybox specific options:
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|   -A, -C, -B, -L, -H, -o, -h, -w, -r, -z, -m MAX
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| 
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| head POSIX options
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|  option           | exists | compliant | remarks
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|   -n number       |  yes   | yes       |
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| head Busybox specific options:
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|   -v, -c NUM, -q
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| 
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| id POSIX options
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|  option           | exists | compliant | remarks
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|   -G              |  yes   | yes       |
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|   -g              |  yes   | yes       |
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|   -n              |  yes   | yes       |
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|   -r              |  yes   | yes       |
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|   -u              |  yes   | yes       |
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| id Busybox specific options:
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|   -Z
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| 
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| ipcrm POSIX options
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|  option           | exists | compliant | remarks
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|   -M shmkey       |  no    | no        |
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|   -Q msgkey       |  no    | no        |
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|   -S semkey       |  no    | no        |
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|   -m shmid        |  no    | no        |
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|   -q msgid        |  no    | no        |
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|   -s semid        |  no    | no        |
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| ipcrm Busybox specific options:
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|   -mM, -qQ, -sS
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| 
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| ipcs POSIX options
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|  option           | exists | compliant | remarks
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|   -a              |  yes   |           |
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|   -b              |  no    | no        |
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|   -c              |  yes   |           |
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|   -m              |  yes   |           |
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|   -o              |  no    | no        |
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|   -p              |  yes   |           |
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|   -q              |  yes   |           |
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|   -s              |  yes   |           |
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|   -t              |  yes   |           |
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| ipcs Busybox specific options:
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|   -l, -i, -u
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| 
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| kill POSIX options
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|  option           | exists | compliant | remarks
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|   -l              |  yes   | yes       |
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|   -s signal_name  |  yes   | yes       |
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|   -signal_name    |  yes   | yes       |
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|   -signal_number  |  yes   | yes       |
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| kill Busybox specific options:
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|    -q, -o
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| 
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| ln POSIX options
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|  option           | exists | compliant | remarks
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|   -L              |  no    | no        |
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|   -P              |  no    | no        |
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|   -f              |  yes   | yes       |
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|   -s              |  yes   | yes       |
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| ln Busybox specific options:
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|   -S suf, -n, -b
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| 
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| logger POSIX options: None
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| logger Busybox specific options:
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|   -p PRIO, -t TAG, -s
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| 
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| logname POSIX options: None
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| logname Busybox specific options: None
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| 
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| ls POSIX options
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|  option           | exists | compliant | remarks
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|   -1              |  yes   | yes       |
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|   -A              |  yes   | yes       |
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|   -C              |  yes   | yes       |
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|   -F              |  yes   | yes       | And more: '=' for sockets (not defined by POSIX)
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|   -H              |  no    | no        |
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|   -L              |  yes   | yes       | But coloring may be wrong (at least POSIX does not require correct colors :) )
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|   -R              |  yes   | yes       |
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|   -S              |  yes   | yes       |
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|   -a              |  yes   | yes       |
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|   -c              |  yes   | no        | Sorts output with '-l' (should only show ctime with '-l', and sort only with '-t')
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|   -d              |  yes   | no        | When invoked together with '-L' should read symbolic links, and doesn't
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|   -f              |  no    | no        |
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|   -g              |  no    | no        |
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|   -i              |  yes   | yes       |
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|   -k              |  yes   | no        | Does something completely unrelated! (Lists security context instead of specifying block size)
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|   -l              |  yes   | yes       |
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|   -m              |  no    | no        |
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|   -n              |  yes   | no        | Works correctly only together with '-l' (but POSIX requires '-l' to be implicitly assumed)
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|   -o              |  no    | no        |
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|   -p              |  yes   | yes       |
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|   -q              |  no    | no        |
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|   -r              |  yes   | yes       |
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|   -s              |  yes   | yes       |
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|   -t              |  yes   | yes       |
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|   -u              |  yes   | yes       |
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|   -x              |  yes   | yes       |
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| ls Busybox specific options:
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|   --color, -T NUM, -K, -X, -Z, -e, -h, -v, -w NUM
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| 
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| man POSIX options
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|  option           | exists | compliant | remarks
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|   -k              |  no    | no        |
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| man Busybox specific options:
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|   -a      Display all pages
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| 
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| 
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| mesg POSIX options: None
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| mesg Busybox specific options: None
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| 
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| mkdir POSIX options
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|  option           | exists | compliant | remarks
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|   -m mode         |  yes   | yes       |
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|   -p              |  yes   | yes       |
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| mkdir Busybox specific options:
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|   -Z
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| 
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| mkfifo POSIX options
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|  option           | exists | compliant | remarks
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|   -m mode         |  yes   | yes       |
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| mkfifo Busybox specific options:
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|   -Z
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| 
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| more POSIX options
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|  option           | exists | compliant | remarks
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|   -c              |  no    | no        |
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|   -e              |  no    | no        |
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|   -i              |  no    | no        |
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|   -n number       |  no    | no        |
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|   -p command      |  no    | no        |
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|   -s              |  no    | no        |
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|   -t tagstring    |  no    | no        |
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|   -u              |  no    | no        |
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| more Busybox specific options: None
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| 
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| mv POSIX options
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|  option           | exists | compliant | remarks
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|   -f              |  yes   | yes       |
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|   -i              |  yes   | yes       |
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| mv Busybox specific options: None
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| 
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| nice POSIX options
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|  option           | exists | compliant | remarks
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|   -n increment    |  yes   | yes       |
 | |
| nice Busybox specific options: None
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| 
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| nohup POSIX options: None
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| nohup Busybox specific options: None
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| 
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| od POSIX options
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|  option           | exists | compliant | remarks
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|   -A address_base |  no    | no        |
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|   -N count        |  no    | no        |
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|   -b              |  no    | no        |
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|   -c              |  no    | no        |
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|   -d              |  no    | no        |
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|   -j skip         |  no    | no        |
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|   -o              |  no    | no        |
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|   -s              |  no    | no        |
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|   -t type_string  |  no    | no        |
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|   -v              |  no    | no        |
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|   -x              |  no    | no        |
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| od Busybox specific options: None
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| 
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| paste POSIX options
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|  option           | exists | compliant | remarks
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|   -d list         |  yes   | yes       |
 | |
|   -s              |  yes   | yes       |
 | |
| paste Busybox specific options: None
 | |
| 
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| patch POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -D define       |  no    | no        |
 | |
|   -N              |  no    | no        |
 | |
|   -R              |  yes   | yes       |
 | |
|   -b              |  no    | no        |
 | |
|   -c              |  no    | no        |
 | |
|   -d dir          |  no    | no        |
 | |
|   -e              |  no    | no        |
 | |
|   -i patchfile    |  yes   | yes       |
 | |
|   -l              |  no    | no        |
 | |
|   -n              |  no    | no        |
 | |
|   -o outfile      |  no    | no        |
 | |
|   -p num          |  yes   | yes       |
 | |
|   -r rejectfile   |  no    | no        |
 | |
|   -u              |  no    | no        |
 | |
| patch Busybox specific options: None
 | |
| 
 | |
| printf POSIX options: None
 | |
| printf Busybox specific options: None
 | |
| 
 | |
| ps POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -A              |  no    | no        |
 | |
|   -G grouplist    |  no    | no        |
 | |
|   -U userlist     |  no    | no        |
 | |
|   -a              |  no    | no        |
 | |
|   -d              |  no    | no        |
 | |
|   -e              |  no    | no        |
 | |
|   -f              |  no    | no        |
 | |
|   -g grouplist    |  no    | no        |
 | |
|   -l              |  no    | no        |
 | |
|   -n namelist     |  no    | no        |
 | |
|   -o format       |  yes   | no        | not supported: ruser, group, rgroup, pcpu
 | |
|   -p proclist     |  no    | no        |
 | |
|   -t termlist     |  no    | no        |
 | |
|   -u userlist     |  no    | no        |
 | |
| ps Busybox specific options: None
 | |
| 
 | |
| pwd POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -L              |  no    | no        |
 | |
|   -P              |  no    | no        |
 | |
| pwd Busybox specific options: None
 | |
| 
 | |
| renice POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -g              |  yes   | yes       |
 | |
|   -n increment    |  yes   | yes       | Note POSIX allows only to run with this option (busybox also allows to run without '-n' and set niceness directly)
 | |
|   -p              |  yes   | yes       |
 | |
|   -u              |  yes   | yes       |
 | |
| renice Busybox specific options: None
 | |
| 
 | |
| rm POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -R              |  yes   | yes       |
 | |
|   -f              |  yes   | yes       |
 | |
|   -i              |  yes   | yes       |
 | |
|   -r              |  yes   | yes       |
 | |
| rm Busybox specific options: None
 | |
| 
 | |
| rmdir POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -p              |  yes   | yes       |
 | |
| rmdir Busybox specific options:
 | |
|   --parents
 | |
| 
 | |
| sed POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -e script       |  yes   |           |
 | |
|   -f script_file  |  yes   |           |
 | |
|   -n              |  yes   |           |
 | |
| sed Busybox specific options:
 | |
|   -i, -r
 | |
| 
 | |
| sh POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -c              |  no    | no        |
 | |
|   -i              |  no    | no        |
 | |
|   -s              |  no    | no        |
 | |
| sh Busybox specific options: None
 | |
| 
 | |
| sleep POSIX options: None
 | |
| sleep Busybox specific options: None
 | |
| 
 | |
| sort POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -C              |  no    | no        |
 | |
|   -b              |  yes   | yes       |
 | |
|   -c              |  yes   | yes       |
 | |
|   -d              |  yes   | yes       |
 | |
|   -f              |  yes   | yes       |
 | |
|   -i              |  yes   | yes       | But is not like GNU sort, which isn't! (try to sort 'a\nA\nB\nb' with and without -f)
 | |
|   -k keydef       |  yes   |           |
 | |
|   -m              |  no    | no        |
 | |
|   -n              |  yes   | yes       |
 | |
|   -o output       |  yes   | yes       |
 | |
|   -r              |  yes   | yes       |
 | |
|   -t char         |  yes   |           |
 | |
|   -u              |  yes   | yes       |
 | |
| sort Busybox specific options:
 | |
|   -mST, -g, -M, -s, -z
 | |
| 
 | |
| split POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a suffix_length |  yes   | yes       |
 | |
|   -b n            |  yes   | yes       |
 | |
|   -b nk           |  yes   | yes       |
 | |
|   -b nm           |  yes   | yes       |
 | |
|   -l line_count   |  yes   | yes       |
 | |
| split Busybox specific options: None
 | |
| 
 | |
| strings POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  yes   | yes       |
 | |
|   -n number       |  yes   | yes       |
 | |
|   -t format       |  no    | no        |
 | |
| strings Busybox specific options:
 | |
|   -o, -f
 | |
| 
 | |
| stty POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  yes   | yes       |
 | |
|   -g              |  yes   | yes       |
 | |
| stty Busybox specific options:
 | |
|   -F DEVICE
 | |
| 
 | |
| tail POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -c number       |  yes   | yes       |
 | |
|   -f              |  yes   | yes       |
 | |
|   -n number       |  yes   | yes       |
 | |
| tail Busybox specific options:
 | |
|   -v, -q, -s SEC
 | |
| 
 | |
| tee POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  yes   | yes       |
 | |
|   -i              |  yes   | yes       |
 | |
| tee Busybox specific options: None
 | |
| 
 | |
| test POSIX options: None
 | |
| test Busybox specific options: None
 | |
| 
 | |
| time POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -p              |  no    | no        |
 | |
| time Busybox specific options:
 | |
|   -v
 | |
| 
 | |
| touch POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  no    | no        |
 | |
|   -c              |  yes   | yes       |
 | |
|   -d date_time    |  no    | no        |
 | |
|   -m              |  no    | no        |
 | |
|   -r ref_file     |  no    | no        |
 | |
|   -t time         |  no    | no        |
 | |
| touch Busybox specific options: None
 | |
| 
 | |
| tr POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -C              |  no    | no        |
 | |
|   -c              |  yes   | yes       |
 | |
|   -d              |  yes   | yes       |
 | |
|   -s              |  yes   | yes       |
 | |
| tr Busybox specific options: None
 | |
| 
 | |
| true POSIX options: None
 | |
| true Busybox specific options: None
 | |
| 
 | |
| tty POSIX options: None
 | |
| tty Busybox specific options:
 | |
|   -s
 | |
| 
 | |
| uname POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  yes   | yes       |
 | |
|   -m              |  yes   | yes       |
 | |
|   -n              |  yes   | yes       |
 | |
|   -r              |  yes   | yes       |
 | |
|   -s              |  yes   | yes       |
 | |
|   -v              |  yes   | yes       |
 | |
| uname Busybox specific options:
 | |
|   -p
 | |
| 
 | |
| uncompress POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -c              |  yes   | yes       |
 | |
|   -f              |  yes   | yes       |
 | |
|   -v              |  no    | no        |
 | |
| uncompress Busybox specific options: None
 | |
| 
 | |
| unexpand POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -a              |  yes   | no        | POSIX requires converting two or more spaces to tabs, busybox converts one or more spaces
 | |
|   -t tablist      |  yes   | yes       |
 | |
| unexpand Busybox specific options:
 | |
|   --tabs=N, -f, --first-only, --all
 | |
| 
 | |
| uniq POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -c              |  yes   | yes       |
 | |
|   -d              |  yes   | yes       |
 | |
|   -f fields       |  yes   | yes       |
 | |
|   -s chars        |  yes   | yes       |
 | |
|   -u              |  yes   | yes       |
 | |
| uniq Busybox specific options:
 | |
|   -w N
 | |
| 
 | |
| uudecode POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -o outfile      |  no    | no        |
 | |
| uudecode Busybox specific options: None
 | |
| 
 | |
| uuencode POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -m              |  yes   | yes       |
 | |
| uuencode Busybox specific options: None
 | |
| 
 | |
| vi POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -R              |  yes   |           |
 | |
|   -c command      |  yes   |           |
 | |
|   -r              |  no    | no        |
 | |
|   -t tagstring    |  no    | no        |
 | |
|   -w size         |  no    | no        |
 | |
| vi Busybox specific options:
 | |
|   -H
 | |
| 
 | |
| wc POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -c              |  yes   | yes       |
 | |
|   -l              |  yes   | yes       |
 | |
|   -m              |  no    | no        |
 | |
|   -w              |  yes   | yes       |
 | |
| wc Busybox specific options:
 | |
|   -L
 | |
| 
 | |
| who POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -H              |  no    | no        |
 | |
|   -T              |  no    | no        |
 | |
|   -a              |  yes   | no        | just shows all
 | |
|   -b              |  no    | no        |
 | |
|   -d              |  no    | no        |
 | |
|   -l              |  no    | no        |
 | |
|   -m              |  no    | no        |
 | |
|   -p              |  no    | no        |
 | |
|   -q              |  no    | no        |
 | |
|   -r              |  no    | no        |
 | |
|   -s              |  no    | no        |
 | |
|   -t              |  no    | no        |
 | |
|   -u              |  no    | no        |
 | |
| who Busybox specific options: None
 | |
| 
 | |
| xargs POSIX options
 | |
|  option           | exists | compliant | remarks
 | |
|   -E eofstr       |  no    | no        |
 | |
|   -I replstr      |  no    | no        |
 | |
|   -L number       |  no    | no        |
 | |
|   -n number       |  yes   | yes       |
 | |
|   -p              |  yes   | yes       |
 | |
|   -s size         |  yes   | yes       |
 | |
|   -t              |  yes   | yes       |
 | |
|   -x              |  yes   | yes       |
 | |
| xargs Busybox specific options:
 | |
|   -e[STR], -0, -r
 | |
| 
 | |
| zcat POSIX options: None
 | |
| zcat Busybox specific options: None
 | 
