CVS commands are:
        add          Ajouter des nouveaux fichier/repertoire dans le repository
        admin        mecanisme d'administration pour rcs
        annotate     Montrer dans la derniere version ou sont les lignes qui ont été modifiées
        checkout     Sortir des sources pour les éditer
        commit       Ajouter files into the repository
        diff         Show differences between revisions
        edit         Soyez prêt à modifier un fichier regardé
        editors      Voir qui est l'éditeur d'un fichier regardé
        export       Export sources from CVS, similar to checkout
        history      Show repository access history
        import       Import sources into CVS, using vendor branches
        init         Create a CVS repository if it doesn't exist
        kserver      Kerberos server mode
        log          Print out history information for files
        login        Prompt for password for authenticating server
        logout       Removes entry in .cvspass for remote repository
        pserver      Password server mode
        rannotate    Show last revision where each line of module was modified
        rdiff        Create 'patch' format diffs between releases
        release      Indicate that a Module is no longer in use
        remove       Remove an entry from the repository
        rlog         Print out history information for a module
        rtag         Add a symbolic tag to a module
        server       Server mode
        status       Display status information on checked out files
        tag          Add a symbolic tag to checked out version of files
        unedit       Undo an edit command
        update       Bring work tree in sync with repository
        version      Show current CVS version(s)
        watch        Set watches
        watchers     See who is watching a file