Nerdy UNIX things I found on a CS1U handout (if you type the top line at a UNIX prompt, you’ll get the given response, though not consistently on all UNIXes):
And who thought computers didn’t understand english? > If I had a ( for every $ the Congress spent, what would I have? Too many ('s. > \(- (-: Command not found. > man: why did you get a divorce? man:: Too many arguments. > "How would you rate Quayle's incompetence? Unmatched ". > got a light? No match. > mkdir matter; cat >matter matter: cannot create