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    Solved How to set the initial brightness in X11, or what are XF86MonBrightness doing exactly

    Hello, I am running FreeBSD 13.2 on Thinkpad T430s with i3wm. The function keys for regulating brightness, Fn+F8 and Fn+F9 (XF86MonBrightnessDown and Up), are working out-of-the-box (lucky me). However, I would like to find out what command exactly they are sending to the system when pressed...