Mark Kent wrote:
> Peter Köhlmann <peter.koehlmann@xxxxxxxx> espoused:
>> Mark Kent wrote:
>>
>>> Linonut <linonut@xxxxxxxxxxxxx> espoused:
>>>> * Tim Smith peremptorily fired off this memo:
>>>>
>>>>> In article <NEJmk.5818$rD2.1387@xxxxxxxxxxxxxxxxxxxxxx>,
>>>>> Linonut <linonut@xxxxxxxxxxxxx> wrote:
>>>>>>
>>>>>> > http://www.illuminata.com/perspectives/?p=347
>>>>>
>>>>> Basically, it uses Linux as a sort of super-GRUB to set up the
>>>>> hardware,
>>>>> and load the ESX kernel, then the ESX kernel takes over. Then,
>>>>> cleverly, to get a virtual machine running Linux, to use as a
>>>>> management console, it uses that Linux to initialize a virtual
>>>>> machine.
>>>>>
>>>>> This is a very sensible approach. You are going to use Linux in a VM
>>>>> as a management console, so you are going to have a full Linux on the
>>>>> disk
>>>>> anyway. That Linux contains code to detect and initialize hardware.
>>>>> So, instead of duplicating all that functionality in your kernel, let
>>>>> Linux boot the hardware and set it up, then your kernel steps in and
>>>>> pushes Linux aside.
>>>>>
>>>>> IBM did a similar thing in OS/2. After the BIOS loaded OS/2 and
>>>>> started it, OS/2 would create a V86 task, and initialize that with the
>>>>> BIOS and
>>>>> its state. Then, if you had hardware that OS/2 did not know about but
>>>>> that the BIOS did, OS/2 would use that virtual BIOS to access that
>>>>> hardware.
>>>>>
>>>>> Come to think of it, Windows 95 did a similar thing with DOS. DOS
>>>>> would initialize the hardware, load Windows 95, then Windows 95 would
>>>>> virtualize that DOS.
>>>>
>>>> Thanks for that summary and history, Tim.
>>>>
>>>
>>> Windows 95 would virtualise the DOS? I don't think so.
>>
>> It did. Tim is right about that
>
> Not as I recall.
What you recall in this case is irrelevant.
"Unauthorized Windows 95", by Andrew Schulman, talks at lenght about that.
There are other publications which point out the workings of Win9X
They all recall different from you
< snip >
--
Windows: Because everyone needs a good laugh!
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