Git¶
Git (/ɡɪt/) is free and open source software for distributed version control: tracking changes in any set of files and collaboratively developing source code. Every Git directory on every computer is a full-fledged repository with complete history and full version-tracking abilities. This makes the initial clone of the repository slower, but subsequent operations such as commit, blame, diff, merge, and log dramatically faster12.
There are plenty of Git tutorials available, this guide will be heavily inspired by a lot of them, such as GitHub, Atlassian and the official docs.
Note
Git and GitHub are different things: Git is a version control system, GitHub is a hosting service to manage Git repositories.
Basic git guide.