(DIR) Archivers
 (DIR) Awk
 (DIR) Cron
 (DIR) Cut
 (DIR) DD
 (DIR) Find
 (DIR) Grep
 (DIR) Sort
 (DIR) Tar
 (DIR) Tips
 (DIR) Xargs
 (HTM) ack
 (HTM) alias
 (HTM) awk
 (HTM) beautifiers
 (HTM) cat
 (HTM) cd
 (HTM) chmod
 (HTM) chpasswd
 (HTM) col
 (HTM) cpio
 (HTM) cut
 (HTM) dd
 (HTM) diff
 (HTM) diff_tools
 (HTM) ed
 (HTM) exec
 (HTM) expand
 (HTM) expr
 (HTM) fc
 (HTM) fgrep
 (HTM) find
 (HTM) fmt
 (HTM) fold
 (HTM) grep
 (HTM) grepmail
 (HTM) head
 (HTM) index
 (HTM) join
 (HTM) ln
 (HTM) locate
 (HTM) logger
 (HTM) logtail
 (HTM) ls
 (HTM) m4
 (HTM) mail
 (HTM) mailx
 (HTM) md5sum
 (HTM) open_source
 (HTM) parallel
 (HTM) paste
 (HTM) pax
 (HTM) pcregrep
 (HTM) printenv
 (HTM) printf
 (HTM) pv
 (HTM) sed
 (HTM) since
 (HTM) sort
 (HTM) split
 (HTM) switchboard
 (HTM) tac
 (HTM) tail
 (HTM) tar
 (HTM) tee
 (HTM) tr
 (HTM) uniq
 (HTM) wc
 (HTM) xargs