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light:tldr:b624c
light: Add 20 percent to the current backlight value.
$ light -A ${20}
try on your machine
The command "light -A ${20}" appears to be using the command line tool "light" with the option "-A" and a value of "${20}".
However, the specific functionality and purpose of this command can only be determined by understanding the context or the specific software or tool being used. The "light" command may vary depending on the operating system or the specific software package installed.
Without additional information, it is not possible to provide a more accurate explanation or interpretation of this command.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.