/git_learn

学习git，参考网站：https://www.liaoxuefeng.com/wiki/0013739516305929606dd18361248578c67b8067c8c017b000

OtherNOASSERTION

Git is a distributed version control system.
Git is a free software distributed under the GPL.
Git has a mutable index called stage.
Git tracks changes of files.
Creating a new branch is quick and simple.
change