IMS Transaction Manager: From Its Moonshot Roots to More Recent Product Enhancements
June 2, 2025
In this installment of "z/OS and Friends," Joe Gulla examines IMS Transaction Manager's beginnings, then considers how modern enhancements continue to make it an important component of z/OS
Articlesz/OS and Friends: IMS Transaction Manager and Database Manager Support Tens of Thousands of Transactions a Second
May 12, 2025
This comprehensive overview highlights the exceptional performance and reliability of IMS, explains the hierarchical database model, details the various types of IMS databases and more
ArticlesUnderstanding the Nuances of Database Systems on the IBM Z Mainframe
May 1, 2025
Craig Mullins looks at the characteristics that make mainframe databases unique, and how understanding them is key to database management
ArticlesNavigating the Skills Gap Means Navigating the Generation Gap, Part 2
November 22, 2024
IMS veteran Nick Griffin, of BMC Software, reflects on the importance of managing generational differences in the IT workplace
ArticlesNavigating the Skills Gap Means Navigating the Generation Gap, Part 1
November 14, 2024
IMS veteran Nick Griffin, of BMC Software, shares his advice on bridging generational differences in the IT workplace
Why Ansible Is Emerging as a Top Automation Tool for Mainframes
August 12, 2022
Mainframe sites used to be like small factories in terms of the number of people that were needed to keep the machine running. There were lots of operators who spent their time feeding in card decks and changing tapes on the tape drives. There were systems programmers and application programmers, and a whole host of […]
ArticlesCan IMS Connect to the Outside World?
April 21, 2022
Information Management System (IMS) was developed by IBM, with Rockwell and Caterpillar Inc., starting in 1966 as a bill of materials system for the Apollo space program. It went live in 1968, making it over 50 years old. Like everything else on the mainframe, it has been updated and extended since that time. As you […]
PodcastsJeff Cherrington on Rocket Software’s Evolution and IBM Z Contributions
January 31, 2022
Reg Harbeck: Hi, this is Reg Harbeck and today I'm here with my friend and colleague Jeff Cherrington who is the vice president of product management, Z Systems—I think I missed a word or two there—at Rocket Software. So, Jeff, I guess what we're going to talk about today is just the whole journey that Rocket […]
Sponsored Content by
Rocket Software - IBM Z/mainframe
Mainframe Connectivity: What’s Missing?
June 21, 2021
We can, perhaps, all remember a time when a simple 3270 terminal emulator was all we needed to access the mainframe without needing a directly-connected terminal. And we were really pleased that we could work from anywhere using this simple solution to our communication problem. It worked and our expectations were not very high. Next, […]
ArticlesHow the Software World and Programming Practices Have Evolved
June 3, 2021
Programming, or writing software as it is commonly known today, has been my profession for 51 years, and for fun for 10 years before that. Like most things, it has changed dramatically as I have grown up with it. Starting out in 1960, we had only one manual of about 50 pages, a principles of […]