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tldr/pages/linux/brightnessctl.md
Dylan 6efbec7a20
brightnessctl: update page and add Dutch translation (#17823) 
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
2025-08-26 10:22:51 +03:00

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brightnessctl

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

  • List devices with changeable brightness:

brightnessctl {{[-l|--list]}}

  • Print the current brightness of the default device:

brightnessctl {{[g|get]}}

  • Print the current brightness of a specific device (can be a wildcard):

brightnessctl {{[g|get]}} {{[-d|--device]}} '{{device_name}}'

  • Set the brightness to a specified percentage:

brightnessctl {{[s|set]}} {{50}}%

  • Increase brightness by a specified percentage:

brightnessctl {{[s|set]}} +{{10}}%

  • Decrease brightness by a specified percentage:

brightnessctl {{[s|set]}} {{10}}%-