Final answer:
Two ways to safely unmount an iPod are by dragging its icon to the trash on a Mac or using the 'Safely Remove Hardware' function on a Windows computer.
Step-by-step explanation:
There are two ways to unmount an iPod safely. One way is to drag the iPod icon to the trash on a Mac, which will change the icon to an eject symbol indicating that the device can be safely removed. Another way is to use the 'Safely Remove Hardware' function in the system tray on a Windows computer, which ensures that all data transfers are complete and the device is safe to disconnect.