This repository basically guides the beginners for using git(as a open source) as a platform to showcase their skills.If you are completely new to github then i can assure you that these documents will help you a lot.
Github is a open source which is basically is a hosting platform where tech enthusiasts can display their skills via their projects.
Git is a version control whereas Github is a hosting platform.
Now a days interviewers are checking the hardwork of students by the work which they have done in github during their graduation.