Prevent a Mac from sleeping from the command line

Jun 24, '13 07:30:00AM

Contributed by: kirkmc

We've run a number of hints about preventing a Mac from sleeping, such as this and this.

I came across another really simple way to do this, using the pmset command. Just run this command in terminal:

pmset noidle

Terminal will display the following text:

Preventing idle sleep (^C to exit)...

To allow the Mac to go back to sleep, according to its current Energy Saver settings, just press Control-C.

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Mac OS X Hints
http://hints.macworld.com/article.php?story=20130620032443758