How to add user and root password

[albi]

Stephen Liu wrote:

> I have "ubuntu-6.06-amd64" installed on a AMD64 PC.  It started without
> problem.  On the login screen it requested inputing USER and password. 
> During installation it did not request adding USER.  Besides please
> advise how to add root password.
> 
> I can start runlevel 2/3 but without a root password I can't login. 

use sudo -->
https://help.ubuntu.com/community/RootSudo