Android Rooting

Android rooting or root access is the process for allowing users of Android mobile operating system to make into privileged control on Android system. Rooting is often done to make overcoming limitations from carriers or hardware manufacturers that resulting in the ability to alter or replace system applications and settings. Many kind of android applications require administrator-level permissions. For the expert user who understand the android system, rooting also facilitate the removal, replacement, modification of the device's operating system. Android derives from the Linux kernel, rooting an Android device is to accessing administrative permissions on Linux.

Rooting is lets all user run privileged commands that not available on stock configuration. Rooting is required for more advanced operations including modifying, deleting system files, removing carrier or default installed applications,  access to the hardware for rebooting, controlling status lights, or recalibrating touch inputs.  When user root the device also installs the Superuser application which it can granted root access.