Create a new repository on the command line

touch README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin https://github.com/liuxizhen2009/zlggui.git
git push -u origin master
Push an existing repository from the command line

git remote add origin https://github.com/liuxizhen2009/zlggui.git
git push -u origin master