The function keys, or F keys, on a computer keyboard serve as a line of shortcut keys that invoke various actions and commands in software applications. Located across the top of the keyboard, labeled ...

Launch any app, or bring back the right ctrl key.

If you take a look at your laptop's keyboard, you'll notice that the top row keys have icons printed above, with "F" and a number, like F1, F2, and so on, below each one. These are known as function ...