Originally Posted By: plantsower
I am assuming we are still in the external HD?

I"ve been trying to figure out how to explain this, and I think I've finally got it.

When you're booted into Macintosh HD on your internal, and your external is connected, EVERY other partition and the OS on it, on both your internal and external drives, is a "subset" of Macintosh HD.

That is, MHD is the partition/OS you're actually using, and you can't use any of the others, but you can manipulate them and the data on them with Disk Utility, Terminal and Finder.

So when you say "we are still in the external HD" you're drawing a meaningless distinction.

We're "manipulating" the external without actually being in it (although we could be in it if we preferred).


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