[OT] Virtualization (WAS: UNIX V7)

Cameron Kaiser spectre at floodgap.com
Fri Jun 12 09:58:43 CDT 2009


> > I'm curious, what OS:es and software did virtualisation before
> > VMware/XEN/Virtualbox and the like ?
> 
> Answered in detail by others, but I'd also point out some non-OS
> hypervisors that were around long before VMware etc. Sheep Shaver on
> BeOS in 1998, for instance.
> 
> http://www.bebox.nu/os.php?s=os/macos/index
> 
> SoftWindows, SoftPC and VirtualPC on the Mac could all be considered
> VM environments, allowing one OS to run as an app under another, alien
> OS on an alien platform.
> 
> http://en.wikipedia.org/wiki/SoftPC

But wouldn't this be more of an emulator than a virtualization? I'll buy
SheepShaver on BeOS, since the code runs "native" on the 603s, but these
x86_PC-on-PPC_Mac packages I would place under emulation since the actual
object code never gets to directly touch the cores (only a translation).

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