Forking is a great way to make a copy of your Notebook; to save a version of it that you may want to go back to in case you expect to make major changes. Forking a notebook creates a new history for your notebook. The files copied to your notebook are those listed in your notebook include file. This can copy notebooks, including public notebooks, into a team.
Within the Notebook IDE
2. From the notebook list view
You will see an exact copy of your notebook appear at the top of your Notebooks list.