In Ubuntu you can disable it in the shortcut menu http://ubuntuhandbook.org/index.php/2013/07/use-ctrl-alt-del-task-manager-ubuntu/ I have already tried editing the file located at


and commenting it all out (it does absolutely nothing). how can I stop it doing something when I press control alt delete. i am using Freya 32 bit and the output of systemctl mask ctrl-alt-del.target is command not found

1 Answer 1


According to this, control-alt-delete.conf is no longer used in Loki (which is based on Ubuntu Xenial).

They recommend:

systemctl mask ctrl-alt-del.target
systemctl daemon-reload

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