sudo apt-get install git

git config --global user.name "user_name"

git config --global user.email "email_id"

git init Mytest

cd Mytest

vi README

vi sample.c

git add README

git add smaple.c

git commit -m "some_message"cd

git remote add origin https://github.com/user_name/Mytest.git

git push origin master