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driconf - DRIconf is a configuration applet for the Direct Rendering Infrastructure.
cpuid - cpuid dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also...
arandr - ARandR is designed to provide a simple visual front end for XRandR.
Glxinfo - glxinfo is a command-line tool that can help you diagnose problems with your 3D acceleration setup.
winddcutil - Windows implementation of the ddcutil Linux program for querying and changing monitor settings, such as brightness and color levels.