3. Symbols
⌘ Command ⌫ Delete
⌃ Control ⎋ Escape
⌥ Option / Alt ⇞ Page Up
⇧ Shift ⇟ Page Down
⇥ Tab ␣ Space
↩ Return
4. ⌘
⌘↑ Beginning of the document
⌘↓ End of the document
⌘← Beginning of the current line
⌘→ End of the current line
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