How to close IPython Notebook properly?

Question

How to close IPython Notebook properly?

Currently, I just close the browser tabs and then use Ctrl+C in the terminal.
Unfortunately, neither e

Answer 1

I think accepted answer outdated and is not valid anymore.

You can terminate jupyter notebook from web interface on file menü item.

When you move Mouse cursor on "close and halt", you will see following explanation.

And when you click "close and halt", you will see following message on terminal screen.