Hi Andrew,

Date: Fri, 26 Aug 2005 15:15:46 +1200
From: Andrew Grebneff <[EMAIL PROTECTED]>
Subject: Re: [G] Classic OS

THAT MAKES TWO OF US...

--- [EMAIL PROTECTED] wrote:

 I don't think that I understand the "Classic" that
 runs on some OS X
machines. Is it OS 9 or is it something else?

Is it an EMULATION of OS9? Could that be why OS9 applications seem to
run so slowly under Classic?

No, it's not an emulation. Classic is an application, albeit a special type, running under OSX. It launches OS 9 as a subset of OSX. IOW, OS 9 must be on the HD or Classic will do nothing.

So you have one OS operating another OS, which is why it's slower than if you booted directly into OS 9. OS 9 cannot run OSX.

Conversely, when OSX is running OS 9 under Classic, it never relinquishes root control of the computer -- it's still in charge.

All the best,
Ken N.


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