Another one occured to me - after seeing someone elses... Again,
Sys V.2 (csh)
% A stitch in time ain't worth two in the bush.
Unmatched '.
Also:
% setenv "Why not?"
setenv: Too few arguments.
Gary Godfrey - ACT, Reston, VA Phone: (703)471-9433
UUCP: ..!{mimsy,sundc}!{prometheus,hqda-ai}!yendor!gmg