If you are an Android user, you can use this utility to do some things that are not possible without root.

This tool is designed to work with a rooted device.

You can do the following things:

You can display the root and device state.

You can reboot options (normal, recovery, bootloader).

You can power off the device.

You can mount /system and /home in read-write or read-only mode.

You can save the root for later.

You can freeze (disable) or thaw (enable) an application.

You can display the system (getprop) property values.

You can calculate an MD5 or SHA1 checksum on any file.

You can display the currently installed recovery.