Ubuntu comes from Debian and therefor does not use RPM. Chances are you will not need it anyway.
On your Gnome panel, go to:
Applications > Add/Remove. You can install and deinstall software there.
If you did not find what you were looking for there, go (on your Gnome panel) to:
System>Administration>Synaptic Package Manager. You can install and deisntall packages there.
Last edited by bobdevis; 11-28-2006 at 06:30 AM.