What Does the F2 Key Do?

If a file or folder is selected, F2 can be used to rename it. F2 is also among the keys that can be used to enter CMOS during the startup process.

In Linux systems, F2 used with specific key combinations can accomplish various functions. For instance, Ctrl + Alt + F2 switches between text consoles while Alt + F2 is a shortcut for many things, most notably quitting a hanging program.