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How to prevent sleep in OS X
System sleep in OS X systems is convenient to have for saving power without interrupting your workflow, especially for laptop systems. This is easy enough to set up in the OS X system preferences; however, there may be times when despite having sleep enabled you might have an important task running and wish to prevent the system from going to sleep.
In past versions of OS X, the system would not enter sleep if applications were running and writing files to disk or running lengthy computational tasks, but this has changed in the latest releases of OS X, where programs must invoke a power assertion … Read more
