git checkout -b <your-name>/<feature-name>

Code until you hit a good checkpoint. Make sure there are no errors/broken builds.

git status shows you what files you have changed.

Commit your files

• If you want to commit all modified files:

  git add -A
  

• Otherwise to add the particular files you want to commit:

  git add <file1> <file2> <...>
  

git commit -m "some commit message"

Push your branch

• For brand new branches:

  git push -u origin <branch name>
  

• For previously pushed branches:

  git push
  

• you can find your branch names with git branch

Checkout to master

git checkout master

Pull the most recent changes from master

git pull

Check into the branch of the PR

git checkout <your branch name>

Rebase and squash commits:

git rebase master

Push changes to GitHub.

git push -f

Do NOT force push to other people's branches or shared branches