Some of these seem to be platform-specific, but here’s a funny look at some odd results you can get out of your shell: [link]
% cat “food in cans”
cat: can’t open food in cans
% nice man woman
No manual entry for woman.
% “How would you rate Quayle’s incompetence?
Unmatched “.
% Unmatched “.
Unmatched “.
% [Where is Jimmy Hoffa?
Missing ].
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