Normal / Everyday commands you should know to be able to use CVS

Check out a new repos
$ cvs checkout module/name

Here is how to get all available updates
$ cvs update

Here is how to commit all changes for a repos
$ cvs commit

To add a file or directory do this
$ cvs add directory/
or
$ cvs add filename.txt

If you only want to commit a certain file, then try this
$ cvs commit path/to/file

Tips

If you want to not show so much information while running the previous commands, you can add a '-q' just after the opening cvs command. Something like this:
$ cvs -q command [options]