Paste Plain Text: Shift + Option + Command + V
Delete Key (how it works on PC): Fn + Delete
Quit the current program: Command + Q
Open the Force Quit window: Command + Option + Escape
Force Restart: Command + Control + Power Key
Force Shutdown: Command + Option + Shift + Power Key
Notes:
Option Key = Alt Key
Command Key = Apple Key = Windows Key = ⌘ Key