Some golden shortcuts:
- Paste as plain text without formatting: Shift + Option + Cmd + V (Ctrl + Shift + V on Windows)
- Kill the rest of the paragraph Ctrl+K
- …To paste that part back: Ctrl+Y
- Close all application windows (alternatively, option-click the close button): Cmd+Option+W
- Redo: Shift+Cmd+Z
- Silent volume change (no clicking sound): Shift+Volume Key
- Precise volume change (quarter-step): Shift+Alt+Volume Key
- Hide window: Cmd+H, you can also hit ‘H’ when you’re in Cmd+Tab switching
