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