This document provides an overview of Subversion version control. It defines version control as the management of changes to files over time. It explains the benefits of version control like undo capabilities, backups, synchronization, and tracking changes. It describes Subversion as a free, open source, cross-platform centralized version control system with a central repository. Key Subversion concepts are explained such as working copies, checkouts, checkins, updates, and revisions. Advantages of Subversion include efficient storage of file changes and support for various file types and protocols.