Key Words
Repository - folder (local or on a remote server) where the master copy of the files are kept, e.g. /usr/local/cvsrepos
Revision - a committed change to the Master Copy of a file.
Revision numbers - each file is stored with a number that increments when a new revision is committed. These number look like 1.1, 1.2, 1.3, etc.
Working Copy - a full copy on a developer's machine.
Import - place existing files into a repository.
Checkout - Create a working copy along with the CVS files needed to coordinate with the master copy. Copy to LOCAL PC.
Update - Comparing a working copy with the master copy and replacing outdated files in the working copy.
Failed Up-to-date check - The Revision in the repository is newer
than the one you are working on. Run Update.