The Workbench provides a number of mechanisms which support working with projects shared via CVS. See the Related tasks links for more details.
Team programming with CVS
CVS Repositories
Branches
Synchronizing with a CVS repository
Sharing a new project using CVS
Sharing an imported CVS project
Checking out a project from a CVS repository
Checking out a module from a CVS repository
Disconnecting a project from CVS
Setting the CVS keyword substitution mode
Enabling the CVS resource decorations