Take the 2-minute tour ×
Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

When my Ubuntu machine is idle for a set period of time, the screen shuts off.

Is there a way to do that immediately using the terminal?

I'm guessing that it involves sending some sort of command to the x server.

share|improve this question

1 Answer 1

up vote 7 down vote accepted
xset dpms force off

should turn the screen off.

share|improve this answer
A million thanks! Just perfect - I tried it out. –  Nathan Osman Jun 19 '10 at 20:47

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.