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# these are all the POSIX.1-2017 utilities (except for shell builtins)
[ ] ar
[ ] asa
[ ] awk
[x] basename
[ ] bc
[ ] c99
[ ] cal
[x] cat
[ ] cflow
[ ] chgrp
[ ] chmod
[ ] chown
[ ] cksum
[ ] cmp
[ ] colon
[ ] comm
[ ] compress
[ ] cp
[ ] crontab
[ ] csplit
[ ] ctags
[ ] cut
[ ] cxref
[ ] date
[ ] dd
[ ] df
[ ] diff
[ ] dirname
[ ] du
[x] echo
[.] ed
[ ] env
[ ] ex
[ ] expand
[ ] expr
[x] false
[ ] file
[.] find
[ ] fold
[ ] fort77
[ ] fuser
[ ] gencat
[ ] getconf
[ ] getopts
[.] grep
[x] head
[ ] iconv
[ ] id
[ ] ipcrm
[ ] ipcs
[ ] join
[ ] kill
[ ] lex
[ ] link
[ ] ln
[ ] locale
[ ] localedef
[ ] logger
[ ] logname
[ ] lp
[.] ls
[ ] m4
[ ] mailx
[ ] make
[ ] man
[ ] mesg
[.] mkdir
[ ] mkfifo
[ ] more
[ ] mv
[ ] newgrp
[x] nice
[ ] nl
[ ] nm
[ ] nohup
[ ] od
[ ] paste
[ ] patch
[ ] pathchk
[ ] pax
[ ] pr
[ ] printf
[ ] prs
[ ] ps
[x] pwd
[ ] renice
[.] rm
[.] rmdir
[ ] sed
[ ] sh
[x] sleep
[.] sort
[ ] split
[ ] strings
[ ] strip
[ ] stty
[ ] tabs
[ ] tail
[ ] talk
[x] tee
[ ] test
[ ] time
[ ] times
[ ] touch
[ ] tput
[ ] tr
[x] true
[ ] tsort
[x] tty
[ ] ulimit
[ ] umask
[x] uname
[ ] uncompress
[ ] unexpand
[ ] uniq
[ ] unlink
[ ] uudecode
[ ] uuencode
[ ] vi
[.] wc
[ ] who
[ ] write
[ ] xargs
[ ] yacc
[ ] zcat
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