Go to OSX Daily to read How to Use Hot Corners on Mac
Want to quickly lock a screen, open Launchpad, go into Mission Control, enable a screen saver, or prevent screen sleep, all with just a gesture or movement of the mouse? If so, Hot Corners on Mac might be for you.
Hot Corners are a useful feature on Mac that allows you to use each of the four corners of your screen to perform a designated action. For example, you could assign Launchpad or Mission Control to the top-left corner of the screen, and starting a screen saver to the bottom left, and you can then quickly access those by flicking your mouse cursor to…
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