If you’re new to Linux, new to development, or new to documentation, Git looms large. Built to coordinate work among programmers operating on source code during the software development process, Git’s speed, data integrity, and ability to support distributed workflows make it arguably the most widely used distributed version control system in the world.
Whether you’re just getting started in open source, or you need a refresher, HowToForge’s Getting Started with GIT on Linux is a great place to start.