Git

official website: https://git-scm.com/

Quick Reference Book / Basic Git Commands:

https://github.github.com/training-kit/downloads/github-git-cheat-sheet.pdf

https://wac-cdn.atlassian.com/dam/jcr:d60ca565-89db-4f07-98a0-dd35fae97293/git1.jpg?cdnVersion=945