Enable Ctrl+Alt+BackSpace functional key in Ubuntu 10.04

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http://ubuntuguide.net – Ctrl+Alt+BackSpace key combination is the shortcut key to force restart X-window.This functional key is enabled by default until Ubuntu 9.04.Following is how to enable this in Ubuntu 10.04. Go to System->Preferences->Keyboard->Layouts tab->Click Options Check “Ctrl+Alt+Backspace” under “Key sequence to kill X server” Done. (HowTos)