How to connect two Macs using FireWire target disk mode

Assume Mac #1 is your main machine that the external drive will be connected to. Mac #2 is the Mac you want to use as an external hard drive.Mac #1 should be turned on and Mac #2 should be powered down.
Connect the FireWire cable to a port on each Mac so the Macs are connected together by the cable.
Turn on Mac #2 while holding down the 't' key. You can stop when you see the FireWire drive appear on the desktop of Mac #1. You can now access any of the data on Mac #2.
Drag the Mac #2 volume(s) to the trash when you're done. Then you can turn off Mac #2 and unplug the cable.
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