Overview Here are some shortcuts that you should keep to a minimum when using JupyterLab. Shortcuts common to Mac and those installed in general editors are omitted and will be updated at any time.

Shortcut list

⇧: Shift key ⌥: Option key ⌘: Command key ⇥: tab key ↩︎: Enter (return) key

Basic operation system

command	operation
Y	Switch the target cell to Code type
M	Switch the target cell to Markdown type
R	Switch the target cell to Raw type
↩︎	Switch to edit mode for the target cell
^M, ESC	Return from edit mode to command mode
D, D	Delete the selected cell (in command mode)
⌘ + S	Save

Mobile system

command	operation
j	Move cursor down (only in command mode)
k	Move the cursor up (only in command mode)
⌥ + ⇥	Move down cell in edit mode (only in edit mode)
⇧ + ⌥ + ⇥	Move the cell in edit mode up (only in edit mode)

Code input system

command	operation
⌘ + /	Comment out
⇥	Input completion, display of candidates
⇧ + ⇥	Show method definition

It was surprising that input completion worked.

Displaying method definitions is convenient because options etc. are also displayed.

Execution system

command	operation
^ + ↩︎	Run (do not move) cell
⇧ + ↩︎	Run cell and move to lower cell
⌥ + ↩︎	Execute cell and create new cell below

Shortcut customization

Shortcuts can be customized from Settings> Advanced Settings Editor (⌘ +,)> Keyboard Shortcuts. Details will be provided at a later date.