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tldr/pages/linux/brightnessctl.md
Maksim Verkhoturov 50f543866e
brightnessctl: fix typo in decrease example (#8213)
2022-07-15 11:11:14 -03:00

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brightnessctl

Utility for reading and controlling device brightness for GNU/Linux operating systems. More information: https://github.com/Hummer12007/brightnessctl.

  • List devices with changeable brightness:

brightnessctl --list

  • Print the current brightness of the display backlight:

brightnessctl get

  • Set the brightness of the display backlight to a specified percentage within range:

brightnessctl set {{50%}}

  • Increase brightness by a specified increment:

brightnessctl set {{+10%}}

  • Decrease brightness by a specified decrement:

brightnessctl set {{10%-}}