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Date:      Sat, 1 Nov 1997 10:38:17 +1030
From:      Greg Lehey <grog@lemis.com>
To:        "Jay L. West" <jlwest@tseinc.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: FreeBSD225 and BSDOS2.1/BSDOS3.0
Message-ID:  <19971101103817.20943@lemis.com>
In-Reply-To: <199710311546.JAA07251@gatekeeper.tseinc.com>; from Jay L. West on Fri, Oct 31, 1997 at 09:45:38AM -0600
References:  <199710311546.JAA07251@gatekeeper.tseinc.com>

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On Fri, Oct 31, 1997 at 09:45:38AM -0600, Jay L. West wrote:
> I had written...
>>> I need to finally upgrade one of our FreeBSD systems.
>>> It will be running 2.2.5-RELEASE. I also need to put up
>>> the Microsoft frontpage 98 server extensions, but I have
>>> a choice here - they have distributions for BSD/OS 2.1
>>> (fp30.bsdi.tar.gz) and BSD/OS 3.0 (fp30.bsdi3.tar.gz).
>>> Which of these two is most likely to get along and play
>>> well with FreeBSD 2.2.5-RELEASE?
>
> Response number one was...
>>
>> You want the 2.1 version.
>>
>> Doug White
>
> Response number two was...
>>
>> I have been using the BSD/OS 3.0 version without problems on 2.2.5.
>>
>> Jeff Wheat
>
> Ok, I give... maybe someone can clue me in to what the real issues are?
> IE - what is it about BSDOS2.1 and BSDOS3.0 that are different enough
> that FreeBSD can use or not use programs written for one or the other?
> Clarification or a history lesson please! :)  Thanks!!!!!

BSD/OS 3.0 supports ELF formats.  Programs for 3.0 could thus be in
ELF, and we don't support it yet.  2.1 programs are in the same a.out
format as FreeBSD.  3.0 still supports a.out, so it's quite possible
that you can run 3.0 programs on FreeBSD, but you can't count on it.

Greg



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