Bank tellers do log on when they start work. Most of these scenarios
require a unique ID and if they hand over for breaks, they log off and a
relief teller will log on with a different ID.

There is generally a "supervisor" override. It used to be a physical key
they inserted and the teller software would detect this and elevate a
privilege, such as writing out a bank cheque (counter cheque or check for
you Yanks).

Similar things exist at supermarket checkouts and we would all have had the
supervisor come over if you didn't place your item in the bagging area.

As for the sysprog/application programmer discus. In the 1970s when I
joined the game, sysprog was either a clerical task or a very intense
assembler programming task. It could be either, however, IBM had the gurus
and the customer followed their best advice.



On Tue, Aug 15, 2023 at 2:06 AM Jon Perryman <[email protected]> wrote:

>  > On Monday, August 14, 2023 at 07:14:36 AM PDT, Phil Smith III <
> [email protected]> wrote:
> > How many users do sites typically have these days?
> > In 1986, University of Waterloo had over 20,000 VM users
>
> z/OS is a server and as such, user counts are often irrelevant. TSO, IMS,
> Unix and CICS can have associated userids which is 1 person affect by 1
> userid. On the other hand, credit card transaction exceed 100M per day but
> it's not 100M people affected because people often use their credit card
> multiple times in a day. You will never know how many users of DB2 are
> affected when SAP is responsible for managing users. Unless you know every
> aspect of your z/OS, you can't say how many people (not users) are affected.
>
>
>
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-- 
Wayne V. Bickerdike

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