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Simple command to turn off the monitor

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linux-howto

http://www.linuxandlife.com – I usually leave my laptop running overnight to download torrents. Because my Vaio-E laptop doesnt have a button to turn off the LCD, I use the following command to turn off the LCD: xset dpms force off After you hit enter, the monitor will be turned off. To turn it on, you just need to move the mouse or hit a key. Another way to auto turn on the monitor is to use the following command with crontab: xset dpms force on It means that you just need set the time to run the turn-on command with crontab first then turn off the monitor. This trick is quite handy to use as an alarm clock. (Distributions)