I've assembled some notes from old manuals and other sources
on the formats used for on-disk file systems through the
Seventh Edition:
http://www.cita.utoronto.ca/~norman/old-unix/old-fs.html
Additional notes, comments on style, and whatnot are welcome.
(It may be sensible to send anything in the last two categories
directly to me, rather than to the whole list.)
In article by Mirian Crzig Lennox:
> Greg Lehey <grog(a)lemis.com> writes:
> >
> > The conditions look rather like the SCO ancient UNIX licences, but
> > it's *cheaper* ($75, which includes deliverables from Sun). Warren,
> > is this ammunition to lobby SCO to drop the prices of Ancient UNIX
> > licenses?
>
> After looking at the site, it seems as though Sun is trying to prevent
> licence holders from sharing code with other licence holders. If this
> is true, it would certainly make the Solaris licence less desirable to
> hobbyists than the ancient UNIX licence, unfortunately.
> --Mirian
Currently out of town. Still, it might be worth asking SCO for a discount!
Does the license cover all of Solaris, or just the kernel??
Cheers,
Warren
----- Original Message -----
From: Jonathon McKitrick <jcm(a)dogma.freebsd-uk.eu.org>
To: John Rosenberg <jcrosenberg(a)earthlink.net>
Cc: Greg Lehey <grog(a)lemis.com>; Joerg B. Micheel <joerg(a)begemot.org>;
Steven M. Schultz <sms(a)moe.2bsd.com>; <pups(a)minnie.cs.adfa.oz.au>; FreeBSD
Chat <chat(a)freebsd.org>
Sent: Friday, January 28, 2000 07:24
Subject: Re: Sun release source code for Solaris 8
> tough sell. Several guys i know say the majority of new unix installs
> are Linux with few BSD. They say the only BSD users that are growing
> are ISPs.
I think, that linux is somehow an entry in the unix world ;-)
After a while you notice, that *BSD is cleaner & more stable.
> Also, the white paper on BeOS claims that with all the new advances in
> hardware, modern OS's have too many layers, which they call 'silt', to
> allow them to use the hardware effectively.
Look what happened to linux & *BSD in the last months/years. They adapting
new technologies very fast ...
> They argue that only
> starting from scratch allows full use of modern technology, including
> multimedia advances. How can FreeBSD keep up? We don't have kernel
> threading and SMP support is still in the works, and most BSD features
> are 'add-ons'. Should this be a concern for the future?
Don't be "concerned", build in the stuff you're missing ;-)
cheers,
emanuel
I have written several device drivers (e.g., disk, DSP, DAT) for Solaris.
It is the slowest OS since Multix. Solaris is buggy, albeit pretty darned
stable. Interesting OS, but I'd stick by BSD (from a systems programmer
type).
----- Original Message -----
From: "Jonathon McKitrick" <jcm(a)dogma.freebsd-uk.eu.org>
To: "Greg Lehey" <grog(a)lemis.com>
Cc: "Joerg B. Micheel" <joerg(a)begemot.org>; "Steven M. Schultz"
<sms(a)moe.2bsd.com>; <pups(a)minnie.cs.adfa.oz.au>; "FreeBSD Chat"
<chat(a)freebsd.org>
Sent: Thursday, January 27, 2000 8:02 AM
Subject: Re: Sun release source code for Solaris 8
>
> Message too convoluted to tell who actually wrote this....but i
> believe Greg wrote the second group of lines....
>
> >> That would make quite an interesting test. How much does
> >> ftp.cdrom.com gain by running FreeBSD instead of Solaris ?
> >
> >Good question. My guess is that Solaris 2 just couldn't handle that
> >many connections, but it compete reasonably well with fewer
> >connections (say 1000). I'll copy the FreeBSD chat people and see
> >what they think.
>
> Interestingly, i noticed recently that the response time on usa.net
> seemed much slower. It appears consistently so, either by ppp
> connection or by network/T1 line. A few months ago, netcraft showed
> that they were running FreeBSD. Guess what they are running
> now? Yup... SOlaris. I dropped them a line saying i noticed the speed
> difference.
>
> -=> jm <=-
>
> "I've done questionable things, also extraordinary things....
> Revel in your time!"
>
>
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From: Jonathon McKitrick <jcm(a)dogma.freebsd-uk.eu.org>
To: John Rosenberg <jcrosenberg(a)earthlink.net>
cc: Greg Lehey <grog(a)lemis.com>, "Joerg B. Micheel" <joerg(a)begemot.org>,
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Subject: Re: Sun release source code for Solaris 8
In-Reply-To: <002001bf6996$34389ec0$b439bfa8@home>
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I'm a little concerned where all this leaves FreeBSD. If Solaris goes
open source, or something similar, and tries to compete with w2k, plus
linux is out there growing, and BeOS will be free soon.... FreeBSD might be a
tough sell. Several guys i know say the majority of new unix installs
are Linux with few BSD. They say the only BSD users that are growing
are ISPs. Does anyone have any stats on how fast we are
growing on the desktop, or in general?
Also, the white paper on BeOS claims that with all the new advances in
hardware, modern OS's have too many layers, which they call 'silt', to
allow them to use the hardware effectively. They argue that only
starting from scratch allows full use of modern technology, including
multimedia advances. How can FreeBSD keep up? We don't have kernel
threading and SMP support is still in the works, and most BSD features
are 'add-ons'. Should this be a concern for the future?
-=> jm <=-
"Do not taunt the Happy Fun Ball."
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>From "emanuel stiebler" <emu(a)ecubics.com> Sat Jan 29 01:14:48 2000
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Subject: Re: Sun release source code for Solaris 8
Date: Fri, 28 Jan 2000 08:14:48 -0700
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----- Original Message -----
From: Jonathon McKitrick <jcm(a)dogma.freebsd-uk.eu.org>
To: John Rosenberg <jcrosenberg(a)earthlink.net>
Cc: Greg Lehey <grog(a)lemis.com>; Joerg B. Micheel <joerg(a)begemot.org>;
Steven M. Schultz <sms(a)moe.2bsd.com>; <pups(a)minnie.cs.adfa.oz.au>; FreeBSD
Chat <chat(a)freebsd.org>
Sent: Friday, January 28, 2000 07:24
Subject: Re: Sun release source code for Solaris 8
>
> I'm a little concerned where all this leaves FreeBSD. If Solaris goes
> open source, or something similar, and tries to compete with w2k, plus
> linux is out there growing, and BeOS will be free soon.... FreeBSD might
be a
> tough sell. Several guys i know say the majority of new unix installs
> are Linux with few BSD. They say the only BSD users that are growing
> are ISPs. Does anyone have any stats on how fast we are
> growing on the desktop, or in general?
>
> Also, the white paper on BeOS claims that with all the new advances in
> hardware, modern OS's have too many layers, which they call 'silt', to
> allow them to use the hardware effectively. They argue that only
> starting from scratch allows full use of modern technology, including
> multimedia advances. How can FreeBSD keep up? We don't have kernel
> threading and SMP support is still in the works, and most BSD features
> are 'add-ons'. Should this be a concern for the future?
>
> -=> jm <=-
>
> "Do not taunt the Happy Fun Ball."
>
>
>
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>From Tim Bradshaw <tfb(a)cley.com> Sat Jan 29 02:04:35 2000
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To: Mirian Crzig Lennox <lennox(a)alcita.com>
Cc: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Subject: Re: Sun release source code for Solaris 8
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* Mirian Crzig Lennox wrote:
> This is in contrast to the Ancient UNIX licence, where it's my
> impression that SCO really doesn't care what you do with UNIX so long
> as you don't share code with unlicensed people.
But that's what you'd expect isn't it? Sun have some reasonable hope
of continuing to make money from Solaris, and they obviously would
like to retain some control, while SCO is unlikely to be regarding
6th-edition Unix as a big earner...
--tim
Sun's releasing the source code to Solaris. Take a look at
http://www.sun.com/software/solaris/source/index.html for more
details.
The conditions look rather like the SCO ancient UNIX licences, but
it's *cheaper* ($75, which includes deliverables from Sun). Warren,
is this ammunition to lobby SCO to drop the prices of Ancient UNIX
licenses?
Greg
--
Finger grog(a)lemis.com for PGP public key
See complete headers for address and phone numbers
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From: Mirian Crzig Lennox <lennox(a)alcita.com>
To: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Subject: Re: Sun release source code for Solaris 8
References: <20000127110321.I53307(a)freebie.lemis.com>
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Greg Lehey <grog(a)lemis.com> writes:
>
> The conditions look rather like the SCO ancient UNIX licences, but
> it's *cheaper* ($75, which includes deliverables from Sun). Warren,
> is this ammunition to lobby SCO to drop the prices of Ancient UNIX
> licenses?
After looking at the site, it seems as though Sun is trying to prevent
licence holders from sharing code with other licence holders. If this
is true, it would certainly make the Solaris licence less desirable to
hobbyists than the ancient UNIX licence, unfortunately.
--Mirian
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>From "Joerg B. Micheel" <joerg(a)begemot.org> Thu Jan 27 11:23:07 2000
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From: "Joerg B. Micheel" <joerg(a)begemot.org>
To: Mirian Crzig Lennox <lennox(a)alcita.com>
Cc: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Subject: Re: Sun release source code for Solaris 8
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On Wed, Jan 26, 2000 at 08:00:57PM -0500, Mirian Crzig Lennox wrote:
> Greg Lehey <grog(a)lemis.com> writes:
> >
> > The conditions look rather like the SCO ancient UNIX licences, but
> > it's *cheaper* ($75, which includes deliverables from Sun). Warren,
> > is this ammunition to lobby SCO to drop the prices of Ancient UNIX
> > licenses?
>
> After looking at the site, it seems as though Sun is trying to prevent
> licence holders from sharing code with other licence holders. If this
> is true, it would certainly make the Solaris licence less desirable to
> hobbyists than the ancient UNIX licence, unfortunately.
You're right, as long as patches do contain portions of Solaris.
Everything that does so has to funnel trough Sun first, this can
be done by putting it onto their secure server. The restriction
is that you can't share it freely, everything must be visible to
Sun. This is slightly different from the original educational
license, which allowed sharing with peers bound by the same
license conditions.
I think, popularity of Solaris might rather be restricted by its
performance. I have run Solaris x86 on my desktop for a while for
evaluation purposes. I don't think you could tune it easily to
become as fast as a regular Linux or *BSD system. Apart from
that, it certainly is the dinosaur solution of the decade.
Joerg
--
Joerg B. Micheel Email: <joerg(a)begemot.org>
Begemot Computer Associates Phone: +64 7 8562148
40 Masters Avenue, Hillcrest Fax: +64 7 8562148
Hamilton, New Zealand Pager: +64 868 38222
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>From "emanuel stiebler" <emu(a)ecubics.com> Thu Jan 27 11:28:28 2000
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Subject: Re: Sun release source code for Solaris 8
Date: Wed, 26 Jan 2000 18:28:28 -0700
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---- Original Message -----
From: Mirian Crzig Lennox <lennox(a)alcita.com>
To: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Sent: Wednesday, January 26, 2000 18:00
Subject: Re: Sun release source code for Solaris 8
> Greg Lehey <grog(a)lemis.com> writes:
> >
> > The conditions look rather like the SCO ancient UNIX licences, but
> > it's *cheaper* ($75, which includes deliverables from Sun). Warren,
> > is this ammunition to lobby SCO to drop the prices of Ancient UNIX
> > licenses?
>
> After looking at the site, it seems as though Sun is trying to prevent
> licence holders from sharing code with other licence holders. If this
> is true, it would certainly make the Solaris licence less desirable to
> hobbyists than the ancient UNIX licence, unfortunately.
They don't "prevent" it, it seems that it is always steered by/at SUN.
>From the Webpage:
> If you want to make your source code modifications available to other
Solaris
> source code licensees, you can do so by passing the changes back to Sun,
and
> Sun will then post them to a secure website that you and other registered
users
> may access.
cheers,
emanuel
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Subject: Re: Sun release source code for Solaris 8
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> From: "Joerg B. Micheel" <joerg(a)begemot.org>
> I think, popularity of Solaris might rather be restricted by its
> performance. I have run Solaris x86 on my desktop for a while for
Agreed. I have run Solaris (only up thru 2.6 though) in its
"native" environment (Sun hardware) and even there the performance
is not anything one would write home about. The difference between
SunOS 4.1.x and Solaris 2.x is dramatic in favor on the older leaner
system.
I have not run Solarix x86 though but have heard from others (before
this) that its performance is quite a bit less than a BSD* system.
Steven Schultz
sms(a)moe.2bsd.com
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Date: Thu, 27 Jan 2000 14:57:36 +1030
From: Greg Lehey <grog(a)lemis.com>
To: Mirian Crzig Lennox <lennox(a)alcita.com>
Cc: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Subject: Re: Sun release source code for Solaris 8
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On Wednesday, 26 January 2000 at 20:00:57 -0500, Mirian Crzig Lennox wrote:
> Greg Lehey <grog(a)lemis.com> writes:
>>
>> The conditions look rather like the SCO ancient UNIX licences, but
>> it's *cheaper* ($75, which includes deliverables from Sun). Warren,
>> is this ammunition to lobby SCO to drop the prices of Ancient UNIX
>> licenses?
>
> After looking at the site, it seems as though Sun is trying to
> prevent licence holders from sharing code with other licence
> holders.
I'm not 100% sure what they mean here. Nobody can stop you
distributing software you wrote as long as it doesn't contain
proprietary Sun code. You could do that with diffs.
> If this is true, it would certainly make the Solaris licence less
> desirable to hobbyists than the ancient UNIX licence, unfortunately.
I think it is anyway. For hobby purposes, I'd much rather use either
4.4BSD (for modern usage) or one of the old UNIXes.
Greg
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Date: Thu, 27 Jan 2000 14:56:02 +1030
From: Greg Lehey <grog(a)lemis.com>
To: "Steven M. Schultz" <sms(a)moe.2bsd.com>
Cc: pups(a)minnie.cs.adfa.oz.au
Subject: Re: Sun release source code for Solaris 8
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On Wednesday, 26 January 2000 at 17:42:54 -0800, Steven M. Schultz wrote:
>> From: "Joerg B. Micheel" <joerg(a)begemot.org>
>> I think, popularity of Solaris might rather be restricted by its
>> performance. I have run Solaris x86 on my desktop for a while for
>
> Agreed. I have run Solaris (only up thru 2.6 though) in its
> "native" environment (Sun hardware) and even there the performance
> is not anything one would write home about. The difference between
> SunOS 4.1.x and Solaris 2.x is dramatic in favor on the older leaner
> system.
That's my experience too, but it may not be typical. For a large
system with a large number of processes (e.g. ftp server) the
comparison could be very different.
> I have not run Solarix x86 though but have heard from others (before
> this) that its performance is quite a bit less than a BSD* system.
Ditto. I have a CD somewhere that I just couldn't be bothered
installing.
Greg
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>From "Joerg B. Micheel" <joerg(a)begemot.org> Thu Jan 27 15:04:06 2000
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From: "Joerg B. Micheel" <joerg(a)begemot.org>
To: Greg Lehey <grog(a)lemis.com>
Cc: "Steven M. Schultz" <sms(a)moe.2bsd.com>, pups(a)minnie.cs.adfa.oz.au
Subject: Re: Sun release source code for Solaris 8
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On Thu, Jan 27, 2000 at 02:56:02PM +1030, Greg Lehey wrote:
> On Wednesday, 26 January 2000 at 17:42:54 -0800, Steven M. Schultz wrote:
> >> From: "Joerg B. Micheel" <joerg(a)begemot.org>
> >> I think, popularity of Solaris might rather be restricted by its
> >> performance. I have run Solaris x86 on my desktop for a while for
> >
> > Agreed. I have run Solaris (only up thru 2.6 though) in its
> > "native" environment (Sun hardware) and even there the performance
> > is not anything one would write home about. The difference between
> > SunOS 4.1.x and Solaris 2.x is dramatic in favor on the older leaner
> > system.
>
> That's my experience too, but it may not be typical. For a large
> system with a large number of processes (e.g. ftp server) the
> comparison could be very different.
That would make quite an interesting test. How much does ftp.cdrom.com
gain by running FreeBSD instead of Solaris ?
Joerg
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>From Greg Lehey <grog(a)lemis.com> Thu Jan 27 15:08:20 2000
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Date: Thu, 27 Jan 2000 15:38:20 +1030
From: Greg Lehey <grog(a)lemis.com>
To: "Joerg B. Micheel" <joerg(a)begemot.org>
Cc: "Steven M. Schultz" <sms(a)moe.2bsd.com>, pups(a)minnie.cs.adfa.oz.au,
FreeBSD Chat <chat(a)FreeBSD.ORG>
Subject: Re: Sun release source code for Solaris 8
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On Thursday, 27 January 2000 at 18:04:06 +1300, Joerg Micheel wrote:
> On Thu, Jan 27, 2000 at 02:56:02PM +1030, Greg Lehey wrote:
>> On Wednesday, 26 January 2000 at 17:42:54 -0800, Steven M. Schultz wrote:
>>>> From: "Joerg B. Micheel" <joerg(a)begemot.org>
>>>> I think, popularity of Solaris might rather be restricted by its
>>>> performance. I have run Solaris x86 on my desktop for a while for
>>>
>>> Agreed. I have run Solaris (only up thru 2.6 though) in its
>>> "native" environment (Sun hardware) and even there the performance
>>> is not anything one would write home about. The difference between
>>> SunOS 4.1.x and Solaris 2.x is dramatic in favor on the older leaner
>>> system.
>>
>> That's my experience too, but it may not be typical. For a large
>> system with a large number of processes (e.g. ftp server) the
>> comparison could be very different.
>
> That would make quite an interesting test. How much does
> ftp.cdrom.com gain by running FreeBSD instead of Solaris ?
Good question. My guess is that Solaris 2 just couldn't handle that
many connections, but it compete reasonably well with fewer
connections (say 1000). I'll copy the FreeBSD chat people and see
what they think.
For -chat: Sun have announced their intention to release the source
code of Solaris [2.]8. We're discussing what this means. See
http://www.sun.com/software/solaris/source/ for more details.
Greg
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>From Jonathon McKitrick <jcm(a)dogma.freebsd-uk.eu.org> Thu Jan 27 23:02:23 2000
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From: Jonathon McKitrick <jcm(a)dogma.freebsd-uk.eu.org>
To: Greg Lehey <grog(a)lemis.com>
cc: "Joerg B. Micheel" <joerg(a)begemot.org>,
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Subject: Re: Sun release source code for Solaris 8
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Message too convoluted to tell who actually wrote this....but i
believe Greg wrote the second group of lines....
>> That would make quite an interesting test. How much does
>> ftp.cdrom.com gain by running FreeBSD instead of Solaris ?
>
>Good question. My guess is that Solaris 2 just couldn't handle that
>many connections, but it compete reasonably well with fewer
>connections (say 1000). I'll copy the FreeBSD chat people and see
>what they think.
Interestingly, i noticed recently that the response time on usa.net
seemed much slower. It appears consistently so, either by ppp
connection or by network/T1 line. A few months ago, netcraft showed
that they were running FreeBSD. Guess what they are running
now? Yup... SOlaris. I dropped them a line saying i noticed the speed
difference.
-=> jm <=-
"I've done questionable things, also extraordinary things....
Revel in your time!"
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>From Thor Lancelot Simon <tls(a)rek.tjls.com> Fri Jan 28 00:26:41 2000
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Date: Thu, 27 Jan 2000 09:26:41 -0500
From: Thor Lancelot Simon <tls(a)rek.tjls.com>
To: "Joerg B. Micheel" <joerg(a)begemot.org>
Cc: pups(a)minnie.cs.adfa.oz.au
Subject: Re: Sun release source code for Solaris 8
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On Thu, Jan 27, 2000 at 06:04:06PM +1300, Joerg B. Micheel wrote:
> On Thu, Jan 27, 2000 at 02:56:02PM +1030, Greg Lehey wrote:
> > On Wednesday, 26 January 2000 at 17:42:54 -0800, Steven M. Schultz wrote:
> > >> From: "Joerg B. Micheel" <joerg(a)begemot.org>
> > >> I think, popularity of Solaris might rather be restricted by its
> > >> performance. I have run Solaris x86 on my desktop for a while for
> > >
> > > Agreed. I have run Solaris (only up thru 2.6 though) in its
> > > "native" environment (Sun hardware) and even there the performance
> > > is not anything one would write home about. The difference between
> > > SunOS 4.1.x and Solaris 2.x is dramatic in favor on the older leaner
> > > system.
> >
> > That's my experience too, but it may not be typical. For a large
> > system with a large number of processes (e.g. ftp server) the
> > comparison could be very different.
>
> That would make quite an interesting test. How much does ftp.cdrom.com
> gain by running FreeBSD instead of Solaris ?
How can anyone know that it gains anything at all? To begin with, it's
never *run* Solaris, so there's no way to draw any kind of meaningful
comparison.
The dirty little secret of Linux and *BSD is that their ascendance has
been tightly coupled to Sun's utter inability to build fast, cheap
uniprocessor machines. Any way you slice it, a single-processor top-of-
the-line x86 box is just going to be a *lot* faster and cheaper than
Sun's entry-level multiprocessor. The great gamble they made was to
turn their kernel into a highly-multithreaded thing of beauty -- but
that *has* to cost some (even some small) amount of uniprocessor
performance, and since they can't build cheap multiprocesors that are
as fast as the high end of the commodity uniprocessor x86 boxes,
for a lot of applications they lose.
Even on a 2- or 4- processor machine, Solaris is demonstrably far
faster than *BSD or Linux for many workloads. But you can buy a
single-processor x86 that's cheaper than Sun's 2- or 4- processor
box now, which is why people run Linux or FreeBSD or NetBSD. There
is still a point at which the only way to get enough performance is
to add more processors, and at that point Solaris still wins, and
will for the forseeable (by me, at least) future.
--
Thor Lancelot Simon tls(a)rek.tjls.com
"And where do all these highways go, now that we are free?"
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>From "emanuel stiebler" <emu(a)ecubics.com> Fri Jan 28 01:49:19 2000
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Subject: Re: Sun release source code for Solaris 8
Date: Thu, 27 Jan 2000 08:49:19 -0700
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----- Original Message -----
From: Thor Lancelot Simon <tls(a)rek.tjls.com>
To: Joerg B. Micheel <joerg(a)begemot.org>
Cc: <pups(a)minnie.cs.adfa.oz.au>
Sent: Thursday, January 27, 2000 07:26
Subject: Re: Sun release source code for Solaris 8
> The dirty little secret of Linux and *BSD is that their ascendance has
> been tightly coupled to Sun's utter inability to build fast, cheap
> uniprocessor machines. Any way you slice it, a single-processor top-of-
> the-line x86 box is just going to be a *lot* faster and cheaper than
> Sun's entry-level multiprocessor. The great gamble they made was to
> turn their kernel into a highly-multithreaded thing of beauty -- but
> that *has* to cost some (even some small) amount of uniprocessor
> performance, and since they can't build cheap multiprocesors that are
> as fast as the high end of the commodity uniprocessor x86 boxes,
> for a lot of applications they lose.
>
> Even on a 2- or 4- processor machine, Solaris is demonstrably far
> faster than *BSD or Linux for many workloads. But you can buy a
> single-processor x86 that's cheaper than Sun's 2- or 4- processor
> box now, which is why people run Linux or FreeBSD or NetBSD. There
> is still a point at which the only way to get enough performance is
> to add more processors, and at that point Solaris still wins, and
> will for the forseeable (by me, at least) future.
Another thing to mention is also, that it is very easy to build your own
kernel, exctly for your needs in Linux or *BSD. (removing all
emulations/compatibility modes, ...) so you get a nice small/fast kernel
excactly for your type of machine & workload.
Don't think it's so easy on a sun.
cheers,
emanuel
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>From Mirian Crzig Lennox <lennox(a)alcita.com> Fri Jan 28 02:55:30 2000
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From: Mirian Crzig Lennox <lennox(a)alcita.com>
To: UNIX Heritage Society <pups(a)minnie.cs.adfa.oz.au>
Subject: Re: Sun release source code for Solaris 8
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Date: 27 Jan 2000 11:55:30 -0500
In-Reply-To: Greg Lehey's message of "Thu, 27 Jan 2000 14:57:36 +1030"
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Greg Lehey <grog(a)lemis.com> writes:
> > After looking at the site, it seems as though Sun is trying to
> > prevent licence holders from sharing code with other licence
> > holders.
>
> I'm not 100% sure what they mean here. Nobody can stop you
> distributing software you wrote as long as it doesn't contain
> proprietary Sun code. You could do that with diffs.
Can I really? Any diffs are necessarily going to contain some of the
original proprietary code. It depends on how aggressive Sun's lawyers
are going to be about preventing any co-operative development of
Solaris which is not mediated by Sun. From their website, it seems
that Sun wants to be firmly in control of that process.
This is in contrast to the Ancient UNIX licence, where it's my
impression that SCO really doesn't care what you do with UNIX so long
as you don't share code with unlicensed people.
> > If this is true, it would certainly make the Solaris licence less
> > desirable to hobbyists than the ancient UNIX licence, unfortunately.
>
> I think it is anyway. For hobby purposes, I'd much rather use either
> 4.4BSD (for modern usage) or one of the old UNIXes.
For practical purposes I agree, although I'm intrigued enough by the
extremely modular design of Solaris to think it might be fun to spend
some time playing with.
--
Mirian Crzig Lennox Systems Anarchist
Invest in America -- buy a Congressman!
Hi all, I've received another e-mail from Alexey about some Y2K software
for Venix and 2BSD. He's also given me a copy of a Russian UNIX called
Demos. This is based on something like V7M, but Alexey says that its
better than Venix. I've only got a tar file with bins & src, no disk
images. Anyone with a pro350 or 380 interested in looking at this?
Anyway, here's his latest e-mail and Date.c. Warren
From: Alexey Chupahin <achupahi(a)uic.rsu.ru>
Hello Warren, I just receive letter from John Rosenberg. He
recommended me to resend date2 program. May be, my previous letter
didn't go to you, but to John? I just try to resend you date2.
The Date2 is good for first. Now I'm hacking RT-11 DIR (analogue
ls in Unix :-), unlike to Unix one, DIR is very bad for Y2k.)
program with system library SYSLIB.OBJ. When I finish it, I just
try to test and fix BSD system. Unfortunatly, I haven't any documents
described BSD library with utilites to see what subroutines/utilites
to be needed to fix. May be, I can find it on the Web? But I have
documentation for Inmos (Russian version7). I use it to see in
first time. Unlike to poor (but very good!) standard Version 7,
Russian one has 2 screen editors, including vi, and one Russian
multiscreen edit RED, editor like small MSWord for Pro, screen
menu-making/control programs and library, graphic, bisness programs
and libraries for Pro. Unfortunatly, I have only documentation,
no any distributive...
When I finish BSD ( I hope to will finish it soon ) I'll just go
to Unix7 and 6. I've got it from your site yet, Version 7 is booted
Ok... May be, vi from BSD still works in Unix7?
> Also, I am still not sure what to do about Demos. It's a pity that
> you don't have a bootable disk image for it.
Ok... Demos was very good-organized Unix for Pro-350/380... more
good then Inmos, how I'm hear...
Unfortunatly, I'm not rich student, but I wish to small used Alpha
for a long time. I find ready to use Multia in Moscow for 450$.
In Russia we have a nearly 18$ per month (Crysis :-( ) I have
360$ yet. May be, anybody can help me for 90$... ;-)
regards,
Alex
Yeah, that's the machine/software. Terrible software, if an honest
attempt no doubt. Belongs in the Computer Museum. (It's such a pain
to use that I would not bother, that is.)
----- Original Message -----
From: Tim Bradshaw <tfb(a)cley.com>
To: <rdkeys(a)unity.ncsu.edu>
Cc: <pups(a)minnie.cs.adfa.edu.au>
Sent: Friday, January 21, 2000 11:44 AM
Subject: Re: Anyone know what a Masscomp 5400 (54S-01) is?
> * rdkeys wrote:
> > On a surplus junket, today, I ran across a 2 dollar chassis that was
> > listed as a Masscomp 5400 (54S-01) computer. It looked rather like
> > a DECish based thing with dual height cards, like some sort of
laboratory
> > digital aquisition machine. On the long-shot that it is some sort of
> > PDP-11ish thing, anyone have any recollection or pointers to any info
> > on that kind of a Masscomp machine?
>
> Masscomps were 68k based machines, they had a whole bunch of stuff for
> real-time and data-acquistion type stuff. They ran something called
> RTU -- real-time Unix -- which was a weirdo sysv / BSD hybrid, not fun
> to use. If the 5400 is the machine I remember it's a 68020 machine
> but it may have a lot of cards for other stuff in. If it *is* the
> machine we had it was deeply unreliable. Masscomp got bought by
> someone else later on but I forget who, so they sometimes get badged
> as some other make.
>
> I would run away, fast.
>
> --tim
>
>
On Friday, 21 January 2000 at 16:44:34 +0000, Tim Bradshaw wrote:
> * rdkeys wrote:
>> On a surplus junket, today, I ran across a 2 dollar chassis that was
>> listed as a Masscomp 5400 (54S-01) computer. It looked rather like
>> a DECish based thing with dual height cards, like some sort of laboratory
>> digital aquisition machine. On the long-shot that it is some sort of
>> PDP-11ish thing, anyone have any recollection or pointers to any info
>> on that kind of a Masscomp machine?
>
> Masscomps were 68k based machines, they had a whole bunch of stuff for
> real-time and data-acquistion type stuff. They ran something called
> RTU -- real-time Unix -- which was a weirdo sysv / BSD hybrid, not fun
> to use. If the 5400 is the machine I remember it's a 68020 machine
> but it may have a lot of cards for other stuff in. If it *is* the
> machine we had it was deeply unreliable. Masscomp got bought by
> someone else later on but I forget who, so they sometimes get badged
> as some other make.
>
> I would run away, fast.
On the other hand, IIRC this was the machine which was the basis for
the Egan/Teixeira (sp?) book on writing UNIX drivers. It might be
amusing for that reason alone. If it's functional and you have the
space, you probably won't regret the $2 you spend for it.
Greg
--
Finger grog(a)lemis.com for PGP public key
See complete headers for address and phone numbers
On a surplus junket, today, I ran across a 2 dollar chassis that was
listed as a Masscomp 5400 (54S-01) computer. It looked rather like
a DECish based thing with dual height cards, like some sort of laboratory
digital aquisition machine. On the long-shot that it is some sort of
PDP-11ish thing, anyone have any recollection or pointers to any info
on that kind of a Masscomp machine?
Thanks
Bob
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>From Tim Bradshaw <tfb(a)cley.com> Sat Jan 22 02:44:34 2000
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Subject: Re: Anyone know what a Masscomp 5400 (54S-01) is?
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* rdkeys wrote:
> On a surplus junket, today, I ran across a 2 dollar chassis that was
> listed as a Masscomp 5400 (54S-01) computer. It looked rather like
> a DECish based thing with dual height cards, like some sort of laboratory
> digital aquisition machine. On the long-shot that it is some sort of
> PDP-11ish thing, anyone have any recollection or pointers to any info
> on that kind of a Masscomp machine?
Masscomps were 68k based machines, they had a whole bunch of stuff for
real-time and data-acquistion type stuff. They ran something called
RTU -- real-time Unix -- which was a weirdo sysv / BSD hybrid, not fun
to use. If the 5400 is the machine I remember it's a 68020 machine
but it may have a lot of cards for other stuff in. If it *is* the
machine we had it was deeply unreliable. Masscomp got bought by
someone else later on but I forget who, so they sometimes get badged
as some other make.
I would run away, fast.
--tim
In article by emanuel stiebler:
> Hi,
> Anybody here, who made some benchmarks of the different simulators (supnik,
> apout, ...)
>
> What I'm looking for is something like:
> supnik version xxx on pentium 2 350 MHz using linux, is xxx times faster
> than a 11/73.
>
> cheers & thanks,
> emanuel
Here's my no-numbers-just-gut-feelings of the various PDP-11 emulators.
John Wilson's Ersatz is probably the fastest; it's written in assembly
code, and so gains a fair bit that way.
Second would be the Begemot emulator. They've unrolled the instruction
decode loop heavily, and that helps a lot.
Bob Supnik's emulator would be the slowest of the three. However, it's
still not that slow, may 1/3 the speed of Ersatz.
Apout can't be compared to the above 3 emulators, because it doesn't emulate
peripherals nor supervisor mode. User-mode instructions run at about the
same speed as Supnik's emulator, but system calls are done by native code.
The sole benchmark I have is: FreeBSD identifies my desktop box as
Pentium II/Xeon/Celeron (348.93-MHz 686-class CPU). Using Apout, I can
compile the 2.11BSD GENERIC kernel in 4 minutes 15 seconds.
I'll try building Supnik and Begemot and getting comparative results.
Last comment: all the simulators have strengths & shortcomings, and that
applies not just to ease of use but also to CPU, I/O performance etc. You
really have to try them all & find the one that suits you.
Warren
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>From "Joerg B. Micheel" <joerg(a)begemot.org> Fri Jan 21 12:45:24 2000
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Date: Fri, 21 Jan 2000 15:45:24 +1300
From: "Joerg B. Micheel" <joerg(a)begemot.org>
To: Warren Toomey <wkt(a)cs.adfa.edu.au>
Cc: Unix Heritage Society <pups(a)minnie.cs.adfa.edu.au>, joerg(a)begemot.org,
"Hartmut B. Brandt" <brandt(a)fokus.gmd.de>
Subject: Re: Emulators
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In-Reply-To: <200001210216.NAA53527(a)henry.cs.adfa.edu.au>; from Warren Toomey on Fri, Jan 21, 2000 at 01:16:40PM +1100
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On Fri, Jan 21, 2000 at 01:16:40PM +1100, Warren Toomey wrote:
> In article by emanuel stiebler:
> > Hi,
> > Anybody here, who made some benchmarks of the different simulators (supnik,
> > apout, ...)
> >
> > What I'm looking for is something like:
> > supnik version xxx on pentium 2 350 MHz using linux, is xxx times faster
> > than a 11/73.
Us too! :-)
The problem is that it doesn't scale that simple. Each and every
instruction has the parsing overhead. Next comes execution overhead.
You'll find that the parsing is pretty constant, no matter whether
it is a NOP or some sophisticated MUL command. The execution speed
varies heavily, very often it is alot faster than the original
hardware. IO has seen a tremendous speedup, we can benefit here
from todays hardware alot. Just remeber how long it took to get
a prompt or echo when hitting the keyboard. As a result, the
original feeling of the real machine is lost, very unfortunate.
As a rough summary, simple commands do not improve (much), whereas
everything complex speeds up with the emulator. Harti has done quite
a bit of testing on different instructions and compared them to an
LSI11/73 (KDJ11A). The emulator was run on a i486 at the time. Have
a look at the p11 distribution, it should be in Tests somewhere.
Regards,
Joerg
--
Joerg B. Micheel Email: <joerg(a)begemot.org>
Begemot Computer Associates Phone: +64 7 8562148
40 Masters Avenue, Hillcrest Fax: +64 7 8562148
Hamilton, New Zealand Pager: +64 868 38222
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