Keybindings

Press ? inside jOtter for the same list. Keys separated by spaces are alternatives or a pair (for example j k: next / previous). Most notebook-mode keys take a count, as in vim: 3j, 5G.

Navigate

Keys	Action
j k	next / previous cell (counts: 3j)
gg G	first / last cell
Ctrl+o Ctrl+i	jump back / forward (also Tab)
5G	go to cell 5
zt zz zb	scroll: cell at top / middle / bottom
ma 'a	mark cell as a / jump to mark a
/ n N	search sources / next / previous

Edit

Keys	Action
Enter	edit cell
i A	edit in insert mode / at the end
Esc	leave the editor (normal mode)
E	edit cell in $EDITOR
t	cycle code → markdown → latex
f F	format cell / all code cells

Inside the editor

Keys	Action
Tab	complete (opens by itself after .)
Shift+Tab	docs (cursor name / highlighted item)
Tab ↓ ↑ Enter	completion: next / prev / accept
Ctrl+\	split the cell at the cursor
h j k l w b e	builtin: move (also 0 $ ^ gg G)
i a I A o O	builtin: insert
x D dd yy p P	builtin: delete / yank / put
u Ctrl+r	builtin: undo / redo

Run

Keys	Action
Shift+Enter r	run + advance
Space Ctrl+Enter	run in place
X	run all (selection follows)
< >	run all above / this and below
Ctrl+c	interrupt kernel
R	restart kernel (asks · a: + run all)

Cells

Keys	Action
a b	new cell after / before
dd yy p P	delete / copy / paste below, above
M	merge with the cell below
V	select cells (j k gg G extend)
V: d y J K	delete / copy / move selection
V: r c f M	run / clear / format / merge it
J K	move down / up
u Ctrl+r	undo / redo cell operation

Outputs

Keys	Action
o	hide / show output
c C	clear output / all outputs
[ ]	scroll long output
zi	zoom image fullscreen
Z	toggle native-size images

File & app

Keys	Action
w W	save / force save
S	save as
q	quit
:	command line (see Commands)
L	view logs
D	debug info for this cell
?	this help

Commands

Keys	Action
:w :w!	save / even if changed on disk
:w file	save as (:w! file overwrites)
:q :q!	in a cell: leave it / discard edit
:q :q! :qa	notebook: quit / without saving
:wq :x	save, then leave the cell or quit
:5	go to cell 5
:delm a :delm!	delete mark a / all marks

Mouse

Keys	Action
click	select · double-click edits
wheel	scroll view, or output under it
Shift+drag	native text selection