2025-03-14 21:59:59 -06:00
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# xbacklight
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> Utility to adjust backlight brightness using the RandR extension.
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2025-05-08 12:26:01 -06:00
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> More information: <https://manned.org/xbacklight>.
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2025-03-14 21:59:59 -06:00
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- Get the current screen brightness as a percentage:
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`xbacklight`
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- Set the screen brightness to 40%:
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`xbacklight -set {{40}}`
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- Increase current brightness by 25%:
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`xbacklight -inc {{25}}`
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- Decrease current brightness by 75%:
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`xbacklight -dec {{75}}`
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- Increase backlight to 100%, over 60 seconds (value given in ms), using 60 steps:
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`xbacklight -set {{100}} -time {{60000}} -steps {{60}}`
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