[OT] Virtualization (WAS: UNIX V7)

[Sridhar Ayengar]

Liam Proven wrote:
> To understand this, one has to consider some of the earlier VM
> systems. 2 more efficient methods, for example, are the IBM mainframe
> style, with a relatively simple hypervisor OS to host the virtual
> machines - such as IBM VM, currently z/VM - running more full-function
> guest OSs that present the actual functionality needed by user
> applications.

Well, there is one feature that VM has that I've not seen in many other 
situations.  VM can run as a guest under VM.

Peace...  Sridhar