First hit on a google search is this page. Of course, you should probably check the documentation of your particular distribution as there may be distribution-specific procedures. Are you installing the client or the server?
On a Red Hat or Fedora system, I don't recommend simply deleting directories. You may leave forgotten bits and pieces behind, including entries in the RPM database. Not as big a problem as yanking out a Windows app by brute force, but still, it's untidy. And, since the RPM version puts files in the /usr/bin/directory, you have to be careful to delete only the CVS files.
The command "rpm --erase cvs" will remove the cvs package. You might want to check to see if also deletes the cvs user and group IDs. A lot of the uninstallers leave the local config information in case you change your mind or something.
Customer surveys are for companies who didn't pay proper attention to begin with.
subject: CVS Installation on LINUX - Help Required