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brightnessctl

Read and control device brightness from the command line

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System & Monitoring linux C MIT

Description

brightnessctl reads and controls device brightness. Devices, by default, include backlight and LEDs, searched for in corresponding classes. It provides a simple interface for adjusting screen brightness.

AI Summary

Control screen brightness and LED devices from the command line

Capabilities

  • + Read current brightness level
  • + Set brightness to specific value
  • + Increase or decrease brightness
  • + Control backlight and LED devices

Use When

  • → When adjusting screen brightness from terminal
  • → When scripting brightness control

Avoid When

  • x On systems without backlight control
View AGENTS.md for brightnessctl