It was yet another "2" in the family
PS/2 - Personal System 2
Note, some PS/2 models were not intended to run OS/2, so there was no
1:1 relationship.
Regarding DB/2 - I added the slash intentionally, to keep consistency ;-)
--
Radoslaw Skorupka
Lodz, Poland
W dniu 23.07.2025 o 20:53, Tony Harminc pisze:
On Wed, 23 Jul 2025 at 14:38, Radoslaw Skorupka <
[email protected]> wrote:
To complement: "2"
OS/2 was new OS, not new version of PC-DOS.
DB/2 was new database, not new version of IMS
etc.
As with z/OS and System z (and variations), there was some marketing
conflation of hardware and software. Does anyone remember IBM's PS2, i.e. a
new IBM PC with Microchannel and 32-bit architecture), except not called a
PC because that term had quickly become generic)? OS/2 was the OS for the
PS2. But ask anyone now what PS2 means, and most likely they'll have no
idea. Wikipedia doesn't even go to a disambiguation page - just straight to
the Sony Play Station 2.
As for DB2, I'm not so sure. First came SQL/DS (on VM), and it was
doubtless pure marketing speak to call the later MVS port DB2.
Tony H.
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