What Is Andriod Rooting?

we have heard about android rooting. But all may not know what the rooting of android actually means and how  is performed?

Rooting is jailbreaking of andriods and allows users to control over the entire operating system.With root acess we can break all restrictions over phone and can also do overclock and underclock the processor. filmware also can be replaced.Some devices can be rooted in minutes. Others take a little research. One thing is clear: rooting your phone can be one of the best ways to tap into the deep potential of your Android device.