Mainframe support

[Mike Jeays]

On Sun, 2004-03-28 at 23:41, Charon wrote:
> IBM is currently pushing Linux on its big iron offerings. What similar
> capacity options are available for FreeBSD based installations? Has IBM
> actually ported Linux or are they running a smoke and mirrors setup
> with Linux running in a vmware like environment?
> 
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IBM implemented its VM Operating system many years ago. It is capable of
running guest operating systems that "believe" they are running on a
bare machine.  VM could be considered "prior art" for VMWare.  Linux
runs as a guest OS under VM, along with the conventional mainframe OS,
MVS. VM can run many copies of Linux simultaneously.  I am not sure it
is quite fair to call this a "smoke and mirrors" port.

Disclaimer: I don't work for IBM, and someone from the company might
like to explain this more accurately?