Queries whether the monitor is on according to DPMS. If true then turns the monitor off, if false turns it on. The -display option on xset means the command will work from sessions other than the console, such as ssh or a cron'd script. Command should display any errors if there are any problems (eg no X available), otherwise no output if successful.
Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?
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