S/36 Archives - IT Jungle

Guru: Flexible Interfaces

November 1, 2021 Ted Holt

The details are murky, it’s been eons ago. Probably the mid-1990’s. I was working on an AS/400 that ran a mixture of System/36 and native applications. I needed to call a program that had been written in the latest version of RPG from both S/36 RPG II and native RPG III (a.k.a. RPG/400) programs. I hope I’m remembering this correctly. It’s been so long.

The problem I ran into was rooted in a numeric parameter. S/36 programs passed numeric parameters in zoned decimal format, whereas native RPG and CL programs used packed decimal. The called program defined the parameter as …
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Technical Debt: The Silent Killer

October 27, 2021 Alex Woodie

There’s a dangerous malady afflicting companies that rely on the IBM i server to run their business applications. Left undiagnosed and untreated, it can debilitate an IT shop, rendering it unable to take advantage of new opportunities and respond to challenges. It’s called technical debt, and you or an organization you know be suffering from it as we speak.

Technical debt is a concept that is credited to Ward Cunningham, the American programmer and the co-author of Manifesto for Agile Software Development. “If you develop a program for a long period of time by only adding features but never …
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Guardicore Extends Zero-Trust Security to IBM i

May 5, 2021 Alex Woodie

Guardicore, which is trying to shake up the firewall market with its “micro segmentation” security solution, recently announced that it has extended its “zero-trust” approach to the IBM i platform. The offering will help IBM i shops close blind spots in their security posture by monitoring the server for signs of problems, the company says.

Guardicore develops a software-based security solution called Centra that uses a micro segmentation approach to protecting IT assets from evolving security threats. Micro segmentation is a relatively new approach to cybersecurity that revolves around the concept of breaking the network down into multiple segments or …
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Swedish Manufacturer Plans A New Path Forward

December 2, 2020 Alex Woodie

The Swedish manufacturing company Dahrentrad knew its S/36-era production planning solution was getting a bit long in the tooth. The question was, what should the company do about it? Migration and modernization were weighed as the two primary options, but which was the better path?

A subsidiary of LWW Group, Dahrentrad specializes in producing copper and aluminum wiring used in electrical motors, pumps, transformers, and other industrial and automotive components. The 75-year-old company runs factories in Sweden, Germany, and Poland.

The company relied on an old but reliable business application that utilized 5250 greenscreen interfaces, according to Mats Lidström, …
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Guru: SQL Can Read Program-described Data

September 21, 2020 Ted Holt

I thought I left program-described database files behind me in 1988. That’s when I left my last S/36 shop to begin working on the S/38. Well, I did, but not completely. From time to time I work on a system with program-described files, and even some externally described files have program-described fields. Fortunately — and I owe this to Scott Forstie — I have learned that SQL can read program-described data. Will wonders never cease?

You may be thinking, “This article doesn’t apply to me. Our files are externally described.” You may be right. Then again, you may be wrong. …
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Functionality Trumps Glitz in ERP Decision

November 1, 2017 Alex Woodie

What do you look for in a new ERP system? For the folks at Veterinary Purchasing Company, which is transitioning away from its homegrown S/36-era ERP system, the decision came down to a preference for proven substance over hollow glamor.

Veterinary Purchasing Company is a member-owned company that was founded in 1972 by a group of veterinarians who wanted to increase their purchasing power by buying in bulk on the wholesale market. The company, which employs about 210 people at its headquarters in St Mary, Ontario, also sells to non-shareholder vets and animal hospitals across Canada.

In the mid-1970s, VP …
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Guru: Flexible Interfaces

Technical Debt: The Silent Killer

Guardicore Extends Zero-Trust Security to IBM i

Swedish Manufacturer Plans A New Path Forward

Guru: SQL Can Read Program-described Data

Functionality Trumps Glitz in ERP Decision

Content archive

Recent Posts

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