1 Jan
2008
1 Jan
'08
6:59 p.m.
Fred Cisin wrote:
As far as I know the only released platforms for OS/2 were the x86 and the
dead at birth OS/2 for PPC. I have never heard of it for any other
platform. I'd love to see a directory listing of this PDP-11 version. It
is possible this may have been a version of NT which had some rudimentary
OS/2 text mode support, but was not based on OS/2. I recall that NT had
support for x86, PPC, and Alpha CPUs, so it would not be hard to believe
that microsoft might have toyed with porting it to a DEC platform. But I
see no listing for NT for the PDP-11 on Wikipedia.
OS/2 1.0 was text mode only. OS/2 1.1 introduced the Presentation Manager
which was similar to the GUI in windows 3.1. OS/2 2.1 was even sold as
OS/2 for Windows because it could run an existing copy of windows 3.1.
That name created a lot of confusion as many thought OS/2 ran under windows
rather then the other way around.
Mark
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On Tue, 1 Jan 2008, Jason T wrote:
OS/2 1.0 through 1.2 was written as a collaborative effort between IBM and
Microsoft. Each had specific assignments and it was the microsoft parts
that tended to produce the most headaches. As of OS/2 1.3 IBM took over
all OS/2 code and all microsoft code was pretty much re-written by the 2.0
release. See
http://www.os2voice.org/VNL/past_issues/VNL0797H/vnewsf.htm#WarpGuru for a
history of OS/2 written by someone who was there from the beginning.
Any idea how this came to be? Weren't DEC
and IBM fierce competitors?
OS/2 was written at MICROS~1 by Gordon Letwin.
LATER IBM took over rights.
Did it have anything to do with Dave Cutler moving from DEC to MICROS~1 to
combine OS/2 and some DEC stuff to create NT?
Hard to
believe there would have been collaboration on such a
project.
And what would be the point?
world domination Wasn't
OS/2 a graphical system from the start?
NO. It was written to replace MS-DOS.
(But it wanted a meg of RAM)
IFF you wanted GUI, then you ran "Windows for OS/2" on OS/2.
That was later renamed "Presentation Manager" as part of the MICROS~1
effort to make sure that no product had a name that would give you a clue
what it was.