====== Ubuntu - GPU - DRI_PRIME ======
**DRI_PRIME** is used to specify which GPU driver should be used when the system has multiple GPUs.
See: [[Ubuntu:GPU:Specify which GPU should take priority|Specify which GPU should take priority]]
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===== Example Usage =====
DRI_PRIME=0 glxinfo | grep "OpenGL renderer"
or
DRI_PRIME=1 glxinfo | grep "OpenGL renderer"