what is push in git code example

Example 1: git push

# Once a repo is cloned, you'll be working inside of the default branch (the default is `master`)
git clone https://github.com/<git-user>/<repo-name> && cd <repo-name>
# make changes and stage your files (repeat the `git add` command for each file, or use `git add .` to stage all)
git add <filename>
# now commit your code
git commit -m "added some changes to my repo!"
# push changes in `master` branch to github
git push origin master

Example 2: git push repo

git remote add origin https://github.com/tqisjim/google-oauth.git
git push -u origin master

Example 3: git push

echo "# mern-stanet" >> README.md
git init
git add README.md
git commit -m "first commit"
git branch -M main
git remote add origin https://github.com/jodyson24/mern-stanet.git
git push -u origin main