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Date:      07 Apr 2001 20:55:41 +0200
From:      Dag-Erling Smorgrav <des@ofug.org>
To:        Dale Chulhan - Home <dchulhan@uwi.tt>
Cc:        "chat@FreeBSD.ORG" <chat@FreeBSD.ORG>, My List <TheTechies@onelist.com>, The Trinidad and Tobago Microsoft BackOffice Users Group <mbug@listbot.com>
Subject:   Re: Win NT vs UNIX ( cross fire )
Message-ID:  <xzphf007d5e.fsf@flood.ping.uio.no>
In-Reply-To: Dale Chulhan - Home's message of "Sat, 07 Apr 2001 14:26:53 -0400"
References:  <3ACF5BED.86A4FB58@uwi.tt>

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Dale Chulhan - Home <dchulhan@uwi.tt> writes:
> The following is part of some cross fire passing tru another news group:
> Any comments?

Not much, except:

> Dick, Windows NT was based on VMS not UNIX. In fact UNIX and Windows
> 2000/NT are very different. Windows uses a micro kernel
> architecture, UNIX uses a monolithic kernel.

Unix does not use a monolithic kernel. Most Unix implementations do,
but there's no reason why you couldn't implement Unix on top of a
microkernel, and in fact, Apple have done just that with OS X.

> That is why you have to recompile/reload the kernel when you add a
> driver. This is unlike Windows 2000 where drivers can be loaded and
> unloaded automatically.

Most modern Unix implementations (including Linux, FreeBSD and
Solaris) can load and unload drivers without needing to recompile the
kernel or even reboot.

> In fact, you can change IP Addresses on Windows 2000 and you do not
> need to reboot. This is also very unlike most versions of UNIX.

No Unix implementation I know of has ever needed to reboot to change
the IP address.

> In fact, the Windows interface was a Xerox idea that Apple
> "borrowed" and was handed to Microsoft on a silver platter. Do you
> know how long after that the first windows version of UNIX came up?
> In fact they even chose to call it X-Windows. Today, of all the
> mainstream Operating Systems, UNIX still has the slowest Windows
> interface.

That's because X runs in user space, not in kernel space like Windows'
GUI does - which is why if X crashes, it doesn't bring down the entire
machine with it.

DES
-- 
Dag-Erling Smorgrav - des@ofug.org

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