ViewCVS source code browsing allows the user to browse CVS managed files and their previous versions. Specifically,ViewCVS enables you to:
Access source code browsing by clicking the Source Code link in the Project menu within any project page.
ViewCVS is a browser-based interface for CVS repositories. Browse the file hierarchy by selecting directories (designated with slashes after them, e.g. "www/"). When you click on a file, you can view the revision history for that file. Selecting a revision number downloads that revision of the file. Each revision includes a link to display differences between that revision and the previous one. A form at the bottom of the file revision history page allows you to display differences between arbitrary revisions.