2 Dec
2011
2 Dec
'11
6:58 p.m.
On 2 December 2011 19:47, Jim Scheef <scheefj at netscape.net> wrote:
Ian,
There are differences between the IBM and Microsoft versions of OS/2 with
the networking being the key difference.
I am not sure that this was the case. I think it was just badging -
c.f. MS-DOS versus IBM PC DOS.
There was also a 3COM version of
OS/2 that is even more rare than Microsoft's.
Ha! I was trained in that. Still have the certification somewhere.
3Com 3+Open, the successor to 3+Share.
3+Open was OS/2 1 plus an enhanced version of LAN Manager. It was a
server-only product. Good, but only if you had OS/2 clients.
The 3COM version uses DIX or
"true Ethernet" (with capital E) rather than 802.3. Most of the code for
OS/2 server came from 3COM - it was the contract with Microsoft that
eventually cost Bob Metcalfe his job.
To quote Ben Goldacre's classic T-shirt:
http://badscience2.spreadshirt.co.uk/i-think-you-ll-find-it-s-a-bit-more-wh…
For the graphics-impaired, it says: "I think you'll find it's a bit
more complicated than that."
It's a good answer to almost /any/ asserted fact. :?)
LAN Manager was the IBM/MS networking stack, derived in part from the
IBM PC Network, as was the DOS-based 3Com 3+Share. It doesn't really
matter what the name was, AFAIK - it's always LanMan underneath.
LanMan also ran on VMS and Unix and AFAIK IBM had no hand in those
versions.
AFAIK the relationship between the server editions of OS/2 and the
clients was much the same as NT Workstation versus NT Server: same
core code, but one version is cut-down and the other enhanced.
--
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