Mac - OS version from command line

system_profiler SPSoftwareDataType

OR

sw_vers

There are others but I found these two to be the most informative.

source: https://coderwall.com/p/4yz8dq/determine-os-x-version-from-the-command-line

ASUS laptop - keyboard backlight

use physical keyboard shortcuts rather than digital keyboard settings.


source: https://rog.asus.com/forum/showthread.php?1106-Can-t-seem-to-turn-on-keyboard-backlight-on-G53