M4 (man1p)
m4 — macro processor
m4 — macro processor
od — dump files in various formats
cat — concatenate and print files
get — get a version of an SCCS file (DEVELOPMENT)
expand — convert tabs to spaces
zcat — expand and concatenate data
uucp — system-to-system copy
sleep — suspend execution for an interval
return — return from a function or dot script
qrls — release batch jobs