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.
Fast forward & merge.
<<<<<<< HEAD
It looks like something has been changed.
=======
No much thing can be written.
>>>>>>> dev2

I am doing a new thing now.
I have a good idea to deal with the problem.
So I am hard-working now. Don't disturb me.

Now, I want to test the multi-editor in github.