By default Ubuntu Linux distributions comes without a root password(i.e The root account is inactive).While Linux distributions like PC Linux Os comes with active root user account.Setting a root password will give full administrative privilege to the user. The root user is also know as Super user.Now lets see how to login as root user and set default root password.

How to login as root user ?

1. Goto Applications –> Accessories –> Terminal.
2. Simply type the following command:
$ sudo -s
OR
$ sudo bash

How to set the default root password ?

You can assign a new root password in Ubuntu Linux.

1. Goto Applications –> Accessories –> Terminal.
2.Type the following command,
$ sudo passwd root
3. Follow the instructions to set and confirm your new password.

Additional Stuff:

In Pc Linux Os Distribution,the default username and password for root user is same.
Username: root
Password: root

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