This document provides an introduction to Git, a distributed version control system. It discusses source code control and revision history. It then covers the basics of Git including initializing a repository, committing files, viewing the commit history and log, branching, merging branches, and using remote repositories hosted on services like GitHub. Key Git commands are demonstrated including add, commit, log, diff, branch, merge, and push/pull for collaborating remotely. Resources for learning more about Git best practices and documentation are also provided.