CmdID

CmdID / Commands

brightness

Get and set the brightness level of all internal and certain external displays. tldr-pages

On macOS

Opens CmdID with your command. It is read in your browser and sent nowhere.

macOS

from tldr-pages, CC BY 4.0

Show current brightness

brightness -lIdentify

Set a specific brightness

brightness 0..1Identify

Set the brightness to 50%

brightness 0.5Identify