The Super User forums has a collection of tips and paste-able commands for Mac OS X's Terminal that are, by turns, brilliant, funny, and obscure but great. Suggestions include quickly checking what apps are eating your memory (top -o vsize), run a Spotlight-style search from the command line (mdfind), and a clever little script that one user put together to trick his wife into thinking a MacBook has overheated and needs to be shut down—so he can grab it back. [Super User via Daring Fireball] More »