CENS is a CVS server with both anonymous and developers checkout capabilities. The cvs root is /home/cvs. For anonymous checkout cvsanon user has been created with /no/home and /bin/false shell. The cvs root directories like /home/cvs/python must have permissions chmod 775 and files must have chmod 444 and the corresponding owner flags must be root:src. To add a CVS developer, you must add a user name to src group.