If I restart the Display Manager, e.g lightdm, will X be restarted as well ?

  • 3
    Try it: pgrep X, restart lightdm, pgrep X, compare. :) – sr_ Apr 26 '12 at 10:22

It depends on your configuration: you can have X-window Server started by itself and then the Display Manager process or Display Manager could start the X-window server.

I have X server started by kdm in OpenSuse 12.1:


If you use Unix with Xorg and pstree you can check by:

pstree -p `ps -H -C Xorg -o ppid --no-header` 


ps -H -C Xorg -o ppid --no-header | xargs pstree -p

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