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I have a dual monitor setup on ubuntu and I would like to know how to do one of the following things:

  • Set a monitor as the primary X display (fullscreen applications execute there) while having the unity launcher on the other screen

  • Setup my primary X display through terminal commands so I can write a script that changes it when before I run some application.

Currently I'm running on a dual monitor setup. One monitor is 1600x900 and the other one is a 1280x1024 monitor. My graphic card is an nVidia GTS250.

If you require any more information please ask in the comments.

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