The OpenACS cvs web and Jeff's cvs browser are useful tools in understanding what is happening with the code.
There is a mailing list of cvs changes at willfork.com
There is an RSS feed of cvs changes at RSS feed
cvs manual
adding files/dirs with cvs
file locking etc. with cvs
Piskorski's cvs refs
backup with cvs
merging 2 file heirarchies with cvs
