1 Mar
2026
1 Mar
'26
3:57 p.m.
On Sun, 2026-03-01 at 16:23 -0600, Jay Jaeger via cctalk wrote:
Keeping such things only on cards would have been very
risky, and
also
very hard to deal with when implementing any kind of structured
change
control, which I cannot imagine not being in place for either IBSYS
or
PR-155.
I understand (perhaps not accurately) that IBM had a "master card
file," maybe in Poughkeepsie.
Did it actually exist?
What was in it?