I have a Git branch called jzbranch and have an old commit id: a9c146a09505837ec03b.
How do I create a new branch, justin, from the information listed above?
To create a new branch called 'justin' and check it out
$ git checkout -b justin a9c146a09505837ec03b
To create the branch without checking it out
$ git branch justin a9c146a09505837ec03b