Reenable the key sequence to kill the X server in Ubuntu

This was written more specifically for Ubuntu Maverick and previous, though Natty is just around the corner.

Previous Ubuntu versions, by defafult, had the key sequence CTRL-ALT-BKSP (Control-Alt-Backspace) enabled as a way to kill the X server in case a full-screen program was frozen beyond recovery. This key combination was turned off in Lucid, but can be re-enabled.

To re-enable, go to:

System > Preferences > Keyboard > Layout > Options [Natty/Unity: System Settings > Keyboard]

Drop down “Key sequence to kill the X server” and check the box next to Control + Alt + Backspace

That’s it! The key sequence is now re-enabled.

Questions, comments, and feedback is appreciated, as always.

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