...control systems (VCSs), Subversion has become the standard non-commercial VCS, replacing the old champ, Concurrent VersionsSystem (CVS). CVS is still just fine for limited use, but Subversion's allure is that it requires only a little...
http://www.linuxtoday.com/news_story.php3?ltsn=2009-08-27-028-35-OS-SW-DV
...production of new interfaces. To manage all bug fixes and new releases, JEngine Group LLC maintains a Concurrent VersionsSystem (CVS). A CVS is an Open Source version control system used to manage all additions and modifications the JEngine...
http://jengine.org/whitepaper.pdf