create a new repository on the command line

echo "# git_test" >> README.md git init git add README.md git commit -m "first commit" git remote add origin https://github.com/algorithmlover2016/git_test.git git push -u origin master

push an existing repository from the command line

git remote add origin https://github.com/algorithmlover2016/git_test.git git push -u origin master