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Last active January 27, 2026 13:59
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KIll X11 server under Ubuntu desktop keyboard shortcut

Keyboard shortcut to kill X11 server under Ubuntu desktop

The decision to disable/change the venerable Ctrl-Alt-Backspace keyboard shortcut for killing the X server in the Ubuntu/Gnome desktop has been a persistently unwise one.

At least for now, the most straighforward way to restore it is to install gnome-tweaks. Then go to:

Keyboard & Mouse > Additional Layout Options > Key sequence to kill the X server

Ctrl+Alt+Backspace: checked

References:

Levente. "How can I enable Ctrl+Alt+Backspace?", Ask Ubuntu, 21 June 2921, https://askubuntu.com/a/1346330.

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