add my content
append GPL
Git is a distributed version control system.
Git is free software distributed under the GPL.

git add filename
git commit -m "comment"
git status
git diff filename
git log 
    --pretty=oneline 
    
git reset 
git reset --hard HEAD^


git checkout -- readme.txt

git rest HEAD filename

git push origin master

Creating a new branch is quick.
git branch branchname
git checkout branchname

git checkout -b dev

Creating a new branch is quick & simple. master
Creating a new branch is quick & simple. master master

feature1 branch

git checkout -b dev origin/dev

git branch --set-upstream dev origin/dev

[email protected]:weixin-sell/sell.git