Key to the Keys ⌘ : Command key ⌃ : Control key ⌫ : Delete key ← : Left arrow key → : Right arrow key ↑ : Up arrow key ↓ : Down arrow key ⌥ : Option or Alt key ↩ : Return or Enter key ⇧ : Shift key Command macOS Decrease Pane Size ⌘-⌥-- Increase Pane Size ⌘-⌥-⇧-0