How do I use git or GitHub?

Your first time with git and github

It would only take a week to properly learn git . Most people spend a lot more time to learn a programming language or an operating system. I consider git to be almost like a programming language. The information model is not complex, it’s actually quite simple if you really understand it.

What is Git? Git is a DevOps tool used for source code management . It is a free and open-source version control system used to handle small to very large projects efficiently. Git is used to tracking changes in the source code, enabling multiple developers to work together on non-linear development.

An Intro to Git and GitHub for Beginners (Tutorial)