CVS

• See CVS home page
• CVS manual
• CVS bubbles - including CVS FAQ-o-matic.
• Introductory guides: Jim Blandy's Introduction to CVS and Karl Fogel's Open Source Development with CVS (free chapters from a book of the same name).
• Source code management FAQ (or does SCM stand for `Software Configuration Management'?
• Nice detailed instructions on setting up CVS to maintain web sites (includes descriptions of how to set up a chroot-jail for CVS).
• Apple's Version Control with CVS on Mac OS X is a good general introduction.
• Multi-site CVS: not particularly easy, but there's a discussion of CVS with geographically dispersed developers at CVShome, which includes a mention of the anonCVS system used by OpenBSD.
• subVersion is intended to be an eventual CVS replacement.
• cvs2cl.pl: a rather nice tool to munge CVS logs to ChangeLog-style, XML or HTML versions.
• ACME: configuration management/SCM documents (specifically branching, SCM readings). Other patterns at C++ design patterns and PatternStories.
• Other CM tools: Configuration management tools (RCS et al): SCCS: Keeping It under Control, Revision Control: Managing Source Files with RCS or SCCS (part of one of the Unix manuals above).
• CVS Best Practices. I don't know its level of authority, but there's a brief thread on it in comp.software.config-mgmt
• Viewing repositories: cvsweb and viewCVS