create a new repository on the command line

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

or push an existing repository from the command line

git remote add origin https://github.com/goudarzia/firstGitTest.git git push -u origin master