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Essential CVS, 2nd Edition by Jennifer Vesperman

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Appendix B. Administrators’ Tools

CVS is an open source program, and all the information necessary to interface to it or change it is freely available. It is also a very popular system. The combination of these two factors means that a wide variety of programs and tools have been written for CVS.

The tools in this appendix range from a port of CVS to the Windows family of operating systems, to a small tool to mail log messages automatically. Other programs include several different viewers to display the contents of the repository with an HTTP server and a useful program that implements access-control lists.

CVS Variants

The CVS license allows you to modify the CVS code and distribute the modified code (read the license for the exact requirements). Several variants, described in the following sections, are provided by developers who have produced expansions of CVS for specific purposes.

CVS/MVS

CVS/MVS is a port of CVS for the MVS (Multiple Virtual Storage) mainframe operating system, also known as OS/390 and zOS. CVS/MVS requires MVS with POSIX configured, and the HFS (Heirarchical File System).

CVS/MVS is a port of both the server and the command-line client.

CVS/MVS is available at http://dccmn.com/cvsmvs/.

cvs-nserver

cvs-nserver is a rewrite of the CVS network code, to allow support for SSL (Secure Sockets Layer) tunneling and ACLs (Access Control Lists), among other features. ACLs are available in CVS as an added piece of code (see "cvs_acls " later in this chapter) but are native ...

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