loadingegrep
= Extended GREP elf
= Extensible Linking Format elm
= ELectronic Mail emacs
= Editor MACroS eval = EVALuate ex
= EXtended exec = EXECute
fd
= file descriptors fg
= ForeGround fgrep
= Fixed GREP fmt = format fsck
= File System ChecK fstab
= FileSystem TABle fvwm
= F*** Virtual Window Manager gawk
= GNU AWK gpg
= GNU Privacy Guard groff = GNU troff hal
= Hardware Abstraction Layer joe
= Joe's Own Editor ksh
= Korn SHell lame
= Lame Ain't an MP3 Encoder lex
= LEXical analyser
lisp
= LISt Processing = Lots of Irritating Superfluous Parentheses ln = LiNk lpr
= Line PRint ls = list lsof
= LiSt Open Files m4
= Macro processor Version 4 man
= MANual pages