Git is a distributed version control system.
Git is free software distributed under the GPL.
Git has a mutable index called stage.
Git traks changes of files.
change on branch dev
creating a new branch is quick and simple
on dev branch
creat bug fixing issue-101
create bug fixing issue-102
local and remote branch
local branch edit

date: 2017/05/09

push local branch

blah

add date: 2017/05/17
and smile :-)

edit after pull request

edit after reopen pull request

edit in master