Installing ATI driver on Ubuntu Linux

I would like to know how to install an Ati Radeon driver within Ubuntu Linux. It is easy to install the Windows driver since it is an *.exe file that you just double click and do a custom install. How do I install the Ati Radeon driver in Ubuntu Linux from the Ati website. I have already downloaded it but don't now don't know what to do. Thanks in advance for the replies.

Same process as windows

You need to make sure you have the correct install file (there are several different types, for linux, because there are so many different types of linux) so you want to make sure it is a ".deb" file.

Once you have the .deb file, just double click on it, and it should open up the package installer.