Enter a command. For example: docker run, git help, mogrify.


Manage screen backlight brightness. See also xbacklight. More information:
  • Print current brightness and maximal brightness, shortened and separated by a slash:
    ybacklight Sc/Sm
  • Set the brightness to 420:
    ybacklight s{{420}}
  • Increase the brightness by 42 big steps (4200 by default):
    ybacklight Si{{42}}
  • Decrease the brightness by 300:
    ybacklight d{{300}}

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