The combination of ALT + F4 is useful for shutting down applications and systems. It is one of the most-used keyboard shortcuts. However, many users report that the combination doesn’t work. If you ...

A set of keyboard keys from F1 to F12 that are programmed by the operating system or application to perform some task. The function key can be used alone or in combination with Shift, Control and Alt ...

Most laptops have at least one Control (CTRL) key, and standard PCs usually have two. These keys optimize the other keys on your keyboard by giving them additional functions, such as copying and ...