This document provides an introduction and overview of Git and GitHub. It begins with explaining what Git is and why it is useful for managing code projects and collaborating with others. It then covers basic Git commands like init, add, commit, status, diff, log and branching and merging workflows. It introduces GitHub and how it can be used to host Git repositories, fork other projects, and contribute code. In summary, it serves as a beginner-level tutorial for learning the basics of the popular version control system Git and code hosting platform GitHub.