Help reading a 9 track tape

Jay Jaeger cube1 at
Thu Aug 5 10:27:48 CDT 2021

On 8/5/2021 9:28 AM, James Liu wrote:
> On Wed, Aug 4, 2021 at 10:25 AM Jay Jaeger <cube1 at> wrote:
> Thanks, Jay (and others) for offering your assistance.  I've asked
> Chuck to have a look at the tape, and we'll see how it goes.


>> Given the name "IEBUPDTX" this tape was certainly intended to be used on
>> a 360 or 370, as you described below (IBM has a utility IEBUPDTE).
> I can't say I know much about IBM systems, but apparently Strubbe, who
> was doing the port and who I got the tape from, was no fan of
> IEBUPDTE.  I wonder if IEBUPDTX was his attempt at an improvement.

Sounds likely.

> - jim


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