>>> Or if it's a base for multiple linked clones where you started from a
>>> common base, but the clones are different.
>>
>> Then wouldn't each clone have its own local cloned disk image?
>
> Again, no.  That's not what a linked clone is.
>
> I might be inclined to suggest "RTFM", as the VirtualBox and VMware
> documentation both describe what a linked clone is.  Rather than assume
> what it is and then make statements based on those assumptions, you could
> actually learn what the idea is behind it.

Oh, so now you're claiming that I don't know how VMware works?

When you create a VM, it starts with one file for the disk image. Each 
time you take a snapshot, it stops writing to the current image file, 
and creates a new file which is a delta against the previous one. When 
you make a "full clone", it copies all the data. When you create a 
"linked clone", it creates a new VM, but it's base disk image is just a 
delta against the linked VM, just like a snapshot.

I don't know off the top of my head how Virtual Box does it.

I'm still not seeing why you would want to transfer a disk from one VM 
to another - except perhaps, as you say, for data transfer (if you can't 
get a more sane method to work).

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