tool for configuring the NVIDIA graphics driver (340xx legacy version)
The nvidia-settings utility is a tool for configuring the NVIDIA
Linux graphics driver. It operates by communicating with the NVIDIA
X driver, querying and updating state as appropriate. This
communication is done with the NV-CONTROL X extension.
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Values such as brightness and gamma, XVideo attributes, temperature,
and OpenGL settings can be queried and configured via nvidia-settings.