Hello World!
git init # starts a git repo
git add <filename> # Add one file to Stage
git commit -m "commit msg" # Commit files -m is message argument
git add -A # Adds all changes, creations, deletions to stage.
git branch # list of all branches
git checkout -b <branchname> # Create new Branch
git checkout <branch> # Checks out existing branch/
git merge <branch> # Merge specificed branch into current branch.