create new repo-git
echo "# SqlMentor" >> README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin
https://github.com/asd/SqlMentor.git git push -u origin
master
push an existing repo-git
git remote add originhttps://github.com/asd/SqlMentor.git
git push -u origin master
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