[muglo] Re: OSX and Classic

on 21/6/03 10:21 PM, Ken at kdavis@xxxxxx wrote:

> Can someone help?
> 
> Previously, I simply upgraded to a new OS version without fear. But
> now I have an iMac with both of Classic and X versions - and don't
> really understand why. (Perhaps native versions of OSX software take
> advantage of the new architecture?).
> 
> Anyway, I have quite a few programs on CD or downloaded which were
> ran fine under OS 9 and prior versions. (FileMaker Pro, WebSTAR,
> WebSentinel, NisusWriter to name a few).
> 
> Do I have to start in a particular OS (Classic or OS X) and then
> install them in order for them to work? Or does it matter? Can anyone
> help me understand a bit about these animals and why there are two
> versions?

I'd just start using your computer. OS X does things pretty seamlessly
unless you're trying to use some pretty funky hardware-specific apps (like
serial but since the iMac lacks a RS232 serial port (USB is *serial* but it
is not RS232)).

You should not have to reinstall software, *provided* you're using the OS 9
System Folder that you had on your computer before.

If it runs in OS 9 *chances* are it'll work in OS X (I can think of only one
application, SPSS 10.5, that is only half compatible with "Classic").

When someone refers to "Classic" they are referring to Macintosh OS 9
running inside OS X as an "application". Inside 'Classic', 'Classic'
applications (i.e. OS 9, 8, 7) run like they would if you booted into OS 9.
When an application in 'Classic' crashes it is the only thing that crashes.
Sometimes it'll crash 'Classic' but you will not have to reset your
computer. In fact, if you *ever* find that you have reset your computer it
means something has gone wrong in a spectacular manner.

PS You shouldn't have to restart your computer more than once/month, if that
(I throw a *lot* at my poor laptop and it regularly gets quite warm (heat is
a killer for laptops))!

Eric.


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