The New Ubuntu is here! Ubuntu 9.10 Karmic Koala the latest version is available from October 30th 2009. Browse to the link below to download. Here is a tip to login in to 'root' user to obtain administrative privileges. Open terminal and type-
someuser@pc:~$ sudo passwd root
- this allows you to change the password of the user 'root', but before you do that it'll as for the current user password, so enter that.
[sudo] password for someuser :
-then the terminal prompts to enter the new UNIX password, which will be the password for 'root' user