File Management cat | chdir/cd | chmod | cp | file head | ln | ls | mkdir | more | mv | pwd | rcp | rm | rmdir | split | tail | wc
Communication Blah
Printing Blah
User Management and support finger | id | locale | localedef | mesg | passwd | su | sudo | w | write
Searching Blah
Miscellaneous banner | bc | cal | clear | man | no | script | spell || yes
System Blah
Text processing Cut | ex | fmt | join | nawk | paste | sed | sort | tr | uniq | xargs
Searching egrep | fgrep | find | grep | strings
