linux screen brightness command line
$ xrandr | grep " connected" | cut -f1 -d " "
VGA1
$ xrandr --output VGA1 --brightness 0.7linux screen brightness command line
$ xrandr | grep " connected" | cut -f1 -d " "
VGA1
$ xrandr --output VGA1 --brightness 0.7Copyright © 2021 Codeinu
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