Enable ctrl+alt+backspace

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By default ctrl+alt+backspace in Ubuntu Jaunty was disabled.This shortcut key will normally restart the X Server.To enable this key combunation, Install the dontzap package:

sudo apt-get install dontzap

Once installed , you can enable or disable the keyboard shortcut with:

sudo dontzap --enable (--disable)

either change needs a restart of the X Server!

To enable this in 9.10 follow this : http://lifehacker.com/5385615/restore-ctrl+alt+backspace-behavior-in-ubuntu-910