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<!--
nixos-config - My current NixOS configuration
Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
SPDX-License-Identifier: GPL-3.0-or-later
This file is part of my nixos-config.
You should have received a copy of the License along with this program.
If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
-->
# backlight
Run `ls /sys/class/backlight` to see possible options.
# brightness
```
#! / bin / bash
brightness = $ (cat / sys / class / backlight / intel_backlight / brightness)
brightness = $ (expr $ brightness - 300)
echo $ brightness> / sys / class / backlight / intel_backlight / brightness
```
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