迷你的上网共享程序，类似共享神盾，ICS共享源码-The online mini-sharing program, similar to the sharing of Aegis, ICS to share source code

CVS is a version control system, an important component of Source Configuration Management (SCM). Using it, you can record the history of sources files, and documents. It fills a similar role to the free software RCS, PRCS, and Aegis packages.