Shutting down X with control+alt+backspace

Manolis Kiagias sonicy at
Sat Jun 6 07:26:44 UTC 2009

Luke Dean wrote:
> This is an answer to a question I started to post, but then decided to
> research instead.  I know many readers of this list use the feature I'm
> describing.
> When Xorg was upgraded to version 7.4, the historic ability to shut
> down X
> with Control+Alt+Backspace became a non-default option.  The solution to
> re-enabling this behavior was to add
>     Option "DontZap" "off"
> to the ServerLayout or ServerFlags section of xorg.conf as documented in
> a note in the Handbook
> A few days ago, x11/xkeyboard-config was upgraded to 1.6 and the solution
> in the Handbook is no longer sufficient.
> The new solution that gets Control+Alt+Backspace working for me
> again is to add
>     Option  "XKbOptions" "terminate:ctrl_alt_bksp"
> to the "InputDevice" section of xorg.conf.

Thanks for mentioning this. I have not yet upgraded to the new version
of xkeyboard-config, but will try this and update the Handbook accordingly.

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