When opening bug reports or sending emails to the Jupyter mailing list, it is useful to know the names of different UI components so that other developers and users have an easier time helping you diagnose your problems. This section will familiarize you with the names of UI elements within the Notebook and the different Notebook modes.
When you launch
jupyter notebook the first page that you encounter is the
Once you’ve selected a Notebook to edit, the Notebook will open in the Notebook Editor.
Interactive User Interface Tour of the Notebook¶
If you would like to learn more about the specific elements within the Notebook Editor, you can go through the User Interface Tour by selecting Help in the menubar then selecting User Interface Tour.
Edit Mode and Notebook Editor¶
When a cell is in edit mode, the Cell Mode Indicator will change to reflect the cell’s state. This state is indicated by a small pencil icon on the top right of the interface. When the cell is in command mode, there is no icon in that location.
Now let’s say that you’ve chosen to open a Markdown file instead of a Notebook file whilst in the Notebook Dashboard. If so, the file will be opened in the File Editor.