Edit
 

Undo (Cmd-Z) —  undoes the most recent command
Redo (Shift-Cmd-Z) —  redoes the most recent command

Cut (Cmd-X) —  removes the current selection and stores it on the Clipboard
Copy — commands to copy the current selection to the Clipboard
Paste (Cmd-V) —  commands to paste the Clipboard’s contents
Delete —  removes the current selection without storing it on the Clipboard
Select All (Cmd-A) —  selects all text or cells
Deselect All (Shift-Cmd-A) —  deselects all cells

Assign as Keyword/Remove Keyword (Option-Cmd-K) —  converts the current selection into a Keyword and adds it to the current cell, or removes the Keyword represented by the current selection from the cell

Insert — commands to insert line breaks, page breaks, smart quotes, and time and date stamps
Remove — commands to remove page breaks

Complete (Option-Escape) — presents a list of completions for the word you’re currently typing
Paragraph Mode (Cmd-Escape) — tells NoteBook to add a Return character when you press the Return key
List Mode (Cmd-L) —  causes the Return key to both end editing and create a new cell

Highlight — highlights the current cell or text selection
Highlighter Choices — commands for setting the current highlighter color

Link — commands for creating web and cell links
Link Color Choices — commands for setting the current link color

Find — commands for finding text within a Notebook
Filter — commands for filtering text
Spelling — commands for spell checking
Speech — commands to start and stop speaking the current selection