What does Command key actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Similar to Shift, Ctrl, and Alt on Windows and Command on Mac, the Fn is a modifier key, meaning it is used in combination with other keys to change their usual function.

Similar to Shift, Ctrl, and Alt on Windows and Command on Mac, the Fn is a modifier key, meaning it is used in combination with other keys to change their usual function.

Ctrl+Y is the most popular keyboard shortcut for the Redo command in Windows. You can use this shortcut to redo an undone action; however, not all applications support the Redo command.

The first time you looked at a Mac's keyboard, you probably noticed a few weird symbols — the modifier keys. They include the Command, Control, Option, Caps Lock, and Globe key, and you'll ...

The Command key in OS X can be used to access some hidden but useful features in the OS.

Go on to read more Command Prompt Tips Tricks! How do you autocomplete a command? To autocomplete a command, press the [TAB] key to fill in the active command line options.

If you want to make your life easier, you should memorize these underrated Command keyboard shortcuts on MacOS.