Fascinating, never knew the biff one.
more -> less
pico (pine composer) -> nano
sh (Bourne) -> bash (Bourne again)
yacc -> bison
The wonderful thing about tiggers
They're loaded with vim and vigorETA:
apache (a patchy server)[1]
emacs of course is Editor MACroS, but it's got a few community-provided backronyms, I'm partial to eight megabytes and constantly swapping and escape-meta-alt-shift.
[1] http://xahlee.info/UnixResource_dir/open_source_rewrite_hist...