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 ...

Ctrl + M: Enter Mark mode (allows you to select text with mouse). Once Mark mode is enabled, you can use the arrow keys to move the cursor around. Shift + Up or Down: Move cursor up or down one line ...

Every keyboard has a key that many users consider pointless—the Insert (Ins) key. With over 100 keys on a typical keyboard, some go unused, leading to confusion about their actual function. Among ...