Whenever you're confused about git, come read this cheat sheet. Remember that all git commands can be run with the --help option. For example:
$ git branch --help or $git log --help
####Create a new git repository
$ git init - Create a new, local repository
$ git status - Check the status of your current repository and see which files have changed.
$ git diff - Fill Me Out
$ git log - Fill Me Out
$ git log --oneline --decorate --color --graph --all - Fill Me Out
$ git log -p [filename] Fill Me Out
$ git add <filename> - Fill Me Out
$ git add -A - Fill Me Out
$ git commit -m "<commit message>" - Fill Me Out
$ git branch <branch name> - Fill Me Out
$ git branch - Fill Me Out
$ git checkout <branch name> - Fill Me Out
$ git merge <branch name> - Fill Me Out