Please use your judgment about the person, the computer, and the prank before attempting this. Always try whatever you plan to do on your own computer or some other safe computer before doing anything.

1. Set XKill to start when the user logs in Go to System > Preferences > Sessions and add an entry with the command ‘xkill’. If you have not used xkill before, it turns your cursor into an ‘x’ (may vary by distribution) and kills the process behind the next thing you click on. Watch out with this one! Using this on unsaved work would be very bad.

2. Change/remove main menu shortcuts

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