Hot Corners are shortcuts that you can set so an action is performed when you move the cursor to one of the four corners of your screen. You can set these up in System Preferences if you know where to look. You can use them to instantly put your Mac to sleep, trigger Mission Control and other actions. You can also set them to work only with modifier keys. There is a trick to knowing which corners work in a multi-screen setup. Watch MacMost video tutorial here…
Mac Basics: How To Preview Files
If you want to see the contents of a file before opening it in an app or importing it into a document, you can use...
