This document provides an introduction to using Git and GitHub for version control of documents and collaboration. It explains the basic workflow of creating, editing, and saving files individually. It then introduces Git as a tool to track changes to documents over time, including who made each change and when. The document outlines setting up Git locally and using basic commands like commit, diff, log, branch, merge, and push/pull to the remote GitHub repository. It highlights key GitHub features like the profile page, repository page, pull requests, and hosting websites for free using GitHub Pages.