linux亮度调节程序,linux调节屏幕亮度
新建三个文本文件并给予执行权限：up.shif [ ! -w /sys/class/backlight/intel_backlight/brightness ];thenecho "password" | sudo -S chmod 777 /sys/class/backlight/intel_backlight/brightnessfiread bright < '/sys/class/b...
