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.Master.
Creating a new branch is quick and simple.Dev.again.
Edit on 2015-11-08.
Edit on branch wq.Haha.
Bug branch use to stash. Very useful...
<<<<<<< HEAD
2015-11-24.Try fetch.Fetch do not merge.And then?????
=======
2015-11-24.Try fetch.Fetch do not merge.And then??
>>>>>>> 4e222af526b851b13d5b4ef1f4bbe0235b6d5a48

conclusion: can not change a same file. 2016-06-16