Github

Create a new repository on the command line

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

or push an existing repository from the command line

git remote add origin https://github.com/username/repository-name.git
git push -u origin master

• Github’s own tutorial link

• Resources to learn git

• Tutorials by tutorialspoint.

• Some writing syntax for readme file are here