xbacklight

linux

Utility to adjust backlight brightness using the RandR extension.

Examples (5)

Get the current screen brightness as a percentage

xbacklight

Set the screen brightness to 40%

xbacklight -set 40

Increase current brightness by 25%

xbacklight -inc 25

Decrease current brightness by 75%

xbacklight -dec 75

Increase backlight to 100%, over 60 seconds (value given in ms), using 60 steps

xbacklight -set 100 -time 60000 -steps 60