Quick Tip: How to Stop Your Mac From Sleeping Using the Command Line
Computers sleep as a way to save energy and prevent unnecessary wear on your machine's hardware. Yet there are times you may want to stop your Mac from sleeping such as when you're watching a movie, cloning a large repository from GitHub, or need to let a large download finish from your favorite website.
When in these situations, it can be inconvenient to look through System Preferences > Energy Saver until you find the settings needed and then you must remember to re-enable your original settings when you are done. With OS X 10.8, Mountain Lion, we are able to stop our Macs from sleeping for a period of time from our command line with the caffeinate command. Let's take a look at how to use this command, and some alternatives for older machines.
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