How to change Superuser(SU) Password IN Ubuntu(Linux)

Just Follow the Steps.

1.OPEN TERMINAL (Ctrl+Alt+T)

2.TYPE
        $ sudo passwd root

 PRESS ENTER.

3.THEN IT ASK CURRENT PASSWORD OF USER.

[sudo] password for jaks:

IF ENTER P0SSWORD IS CORRECT IT ALLOW TO CREATE NEW PASSWORD.

4.

Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully.

YOUR PASSWORD CHANGED SUCCESSFULLY.