git is a distributtion version control system

git is a free software distributed under the GPL

git has a mutable index called stage

git tracks changes

<<<<<<< HEAD
creadting a new branch is quick  and henjiangdan d shiqing

test the add merge 
=======

gaibianyixia ceshi yixia 
>>>>>>> yuanshi/master



guosujie yi jing xue hui l zenme xiang yuancheng cangku push wenjian