2025-03-14 21:59:59 -06:00
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# brightnessctl
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> Utility for reading and controlling device brightness for Linux operating systems.
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2025-07-24 22:27:13 -06:00
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> More information: <https://github.com/Hummer12007/brightnessctl#usage>.
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2025-03-14 21:59:59 -06:00
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- List devices with changeable brightness:
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2025-07-24 22:27:13 -06:00
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`brightnessctl {{[-l|--list]}}`
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2025-03-14 21:59:59 -06:00
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- Print the current brightness of the display backlight:
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`brightnessctl get`
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- Set the brightness of the display backlight to a specified percentage within range:
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`brightnessctl set {{50%}}`
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- Increase brightness by a specified increment:
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`brightnessctl set {{+10%}}`
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- Decrease brightness by a specified decrement:
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`brightnessctl set {{10%-}}`
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