This is the official guide and reference manual for Subversion - the popular open source revision control technology. The new edition covers Subversion 1.6 with a complete introduction and guided tour of its capabilities, along with best practice recommendations.

Subversion (SVN) is an open source version control system. It is used to maintain current and historical versions of files such as source code, web pages, and documentation.

Subversion manages files and directories, and the changes made to them, over time. This allows you to recover older versions of your data or examine the history of how your data changed. In this regard, many people think of a version control system as a sort of "time machine."