How to disable Ctrl+Alt+Backspace

Carsten Aulbert carsten at
Wed Dec 20 16:40:03 UTC 2006

David Abrahams wrote:
> That key combination (standard for X Windows, AFAIK) unceremoniously
> restarts my GDM session, killing all the open applications.  I've done
> it by mistake for the last time.  Can somebody tell me how to disable
> it?  It's not in System>Preferences>Keyboard Shortcuts AFAICT.

Putting DontZip in your xorg.conf file under Section "ServerFlags" might
help - at least it worked in the past for me IIRC.



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