Git does 50,000 things, but to get started on your local machine you only need 4 commands.

When you're setting up for the first time:

  git init

When you've made a change you want to keep:

  vim foo.txt
  git add foo.txt
  git commit -m "Add foo.txt to project to enhance synergy"

When you did something wrong and want to go back to when you last ran git commit:

  git checkout foo.txt

Everything else builds on top of that workflow.