Version Control Basics

$ git init
Turn an existing directory into a git repository

$ git status
Tells what's going on

$ git add <filename>
adds files to staging area

$ git commit
Creates a new commit
- Write good commit messages!

$ git clone [url]
Clone (download) a repository that already exists on Github

$ git pull
Updates your current local working branch with all new commits from the remote branch
It is a combination of git fetch and git merge

$ git log
Shows a flattened log of history

$ git log - - all - - graph - - decorate
Visualize history as a DAG(Directed acyclic graph)