I have a computer with Arch linux. I want to know which desktop environment is installed.

My ultimate goal would be to install Gnome. Is it possible to have two desktop environments.

  • Post a screenshot, if you can find a way to do that. – Tom Hunt Sep 16 '15 at 22:09
  • It's definitely possible to have multiple desktop environments installed. Even multiple DE running in separate GUI sessions at the same time. But only a single DE in a given GUI session. – Gilles 'SO- stop being evil' Sep 16 '15 at 23:55

You can try to print some env variable. At least gnome fill the X environment variable XDG_CURRENT_DESKTOP correctly:

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