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Two areas of samples: computer technical and fitness.
Computer Technical:
I worked as a systems and middleware programmer, as an information developer (tech writer),
and web master on z/TPF products for 29 years.
The
z/Transaction Processing Facility
(z/TPF) product is a large, native operating system running on IBM's
fastest mainframe hardware. z/TPF installations are some of the largest, most complex operating
environments in the world. Customers build application systems on top of it. For example, airline
ticketing and web applications are created by an individual airline and run on their z/TPF platform in
their data center.
z/TPF got started in the late 1960s as the Airline Control Program (ACP). Through the years, IBM
has updated and refined the system to work as a high performance, networking operating system.
It processes well in excess of 50K transactions/second.
- Airline Control System (ALCS) is a program that performs the same functions as z/TPF (but at a slower rate)
as an MVS z/OS system application.
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TPF Data Facility (TPFDF) is the z/TPF support for relational databases.
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Major customers: Airlines, Bank Credit Cards, among others.
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