This is the most basic introduction to GitHub, the source is http://rogerdudler.github.com/git-guide/index.zh.html. This website is very loving. Although it is a tutorial, it gives people the comfort of reading it all the time. It is not boring at all. The quality of the website is very good. LZ clicks on github with understanding, very short. , I'll finish it soon, the following is a mind map drawn by LZ's almost 100% ctrl+copy
