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In Wikipedia is written that Gnome Shell in Gnome 3 uses Mutter window manager.

But ps x | grep mutter shows that Mutter is not running. Moreover I had experience with working Gnome Shell before I installed Mutter.

Does Gnome Shell really use Mutter? Which WM are used and which can be used with Gnome Shell?

porton
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1 Answers1

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Yes, mutter is used by gnome-shell but it's used as a library. The mutter binary is just a tiny program that links against libmutter. You could try like this:

lsof | grep mutter
don_crissti
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    Yes, I see, mutter is used, but as a library not as an executable – porton Nov 20 '12 at 20:13
  • Thank you. I was hacking on mutter and was wondering why my changes has no effect in gnome session after I copy mutter into `$(which mutter)`. You answer explains it all, I had to copy `build/src/libmutter-9.so.0.0.0` instead. Now it works! – Hi-Angel Feb 09 '22 at 22:18