Git is a distributed version control system that it can be used.
Git is free software.
i am wangwei
this is third time that i commit


lalalalalallalalalalalalalalalalallala 


Git has a mutable index called stage.

i did a change.

i did a change again

i do not know how to create branch.

hahahahahhahahhahahahahahahah

add in branch new1

Creating a new branch is quick and simple

add this on new2


commit again