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Recent Articles
Just Released – Latest Cheryl Watson’s Tuning Letter
Hello from me, Mark Wilson, the incoming Editor and Producer for Cheryl Watson’s Tuning Letter. We’re proud to release the latest issue, 2024 No.4, on the publication’s website. If you’re not a subscriber yet, consider this your nudge. You can...
Don’t Miss This at SHARE DC, from expert Frank Kyne
The 2025 Winter SHARE conference will be held in the Gaylord National Resort and Convention Center, starting Sunday, February 23. This is a 4-day conference, with the last day (Thursday) being a full day. If you are attending, check out the...
Perform JCL Check in your Eclipse development environment
Introduction Back in March, I was proud to highlight the IBM announcement of a new IBM offering IBM Z JCL Expert in this blog, where I highlighted the client challenges that this new offering aims to mitigate, what’s changing, why should you...
Db2 for z/OS: The Online Path from a Multi-Table Table Space to Universal Table Spaces
Back in 2014, I posted an entry to this blog on the topic of getting to universal table spaces from non-universal table spaces. In that entry, I noted that there was an online path (ALTER followed by online REORG) for getting from a "classic" partitioned...
CFO Thoughts on Z Day 2022
Tuesday April 5, 2022 was a great day to be part of the mainframe community. As you may have seen on the wire, that was the day IBM “unveiled IBM® z16™, IBM's next-generation system with an integrated on-chip AI accelerator—delivering latency-optimized...
Has Mainframe Computing Inadvertently Started its Own Culture War?
I have spent my career in the mainframe computing space. It's a strange and insular world. And it's shrinking a little each day, as the global mainframe workforce sees skilled workers retiring, transitioning to other roles, sometimes even dying, without a...
Mainframe News Out There
Once a month (or so) we like to pick blog articles from other sources that we feel are interesting enough to talk about on the Planet Mainframe blog. Here are this month’s picks: Digitization and Modernization Heads Up: Start With Applications Interesting article by...
Boost your mainframe skills for free
Have you been lost in the massive IBM Z learning materials and don't know where to start? Are you struggling to find easy-to-consume IBM Z learning courses? Do you want simple but well-organized IBM Z learning plans? It's time to start your IBM Z learning journey and...
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Upcoming Events
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Virtual CICS User Group | AI and CICS with Steve Wallin, IBM
Zoom - Virtual MeetingIn today's fast-paced digital landscape, businesses demand seamless, efficient, and secure transaction processing to keep up with evolving customer expectations and market dynamics. On IBM Z, a platform renowned for […]
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Virtual CICS User Group | The IT Stairway to Heaven. CICS Testing Pyramid: From Unit to Integration to Production-Like Environment
Zoom - Virtual MeetingEffective testing is essential for building robust systems. Dive deep into a structured approach to the testing pyramid for CICS applications. Using Test4z, we will demonstrate how unit tests form […]
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Virtual Db2 User Group | January 20, 2026
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Virtual IMS User Group | February 10, 2026
Zoom - Virtual Meeting
Navigating AI and More
IBM Unveils watsonx.governance to Help Businesses Navigate AI Enterprises use AI to solve problems, but businesses are also finding that AI has ushered in a whole new murky world of risks. IBM has announced that watsonx.governance will be released in early December to...
Do you know your Linux Trivia?
As one of the most popular operating systems on the planet, we are all living in a Linux world. All of the world’s top 500 supercomputers run Linux, not to mention our cars, phones, and home appliances. This trusty OS has now been around for a few decades, which in...
Check out the most recent Mainframe News
Rocket Software Survey Reveals Only 27% of Organizations are Extremely Confident in Mainframe Security Compliance Rocket Software, a global technology leader that develops enterprise software for some of the world’s largest companies, has released the findings of its...
Mainframes by the Numbers
Since you’ve found your way to Planet Mainframe, you probably know that mainframes are the IT workhorses of big business. It’s not an exaggeration to say that it’s hard to even imagine the past several decades of commerce without the mainframe doing its thing, mostly...
Mainframe News for You
Utah’s Office of Recovery Services Moves from COBOL to Cloud in 18 Months Utah’s Office of Recovery Services (ORS) is responsible for both collecting child support payments across the state and ensuring public funds are used appropriately. For 24 years it has relied...
History of Cybercrime and Cybersecurity
For a long time, mainframes seemed like a safe room where a company’s most precious data possessions would be secure. But while mainframes still present unique challenges to bad actors, the days of mainframe impenetrability are most definitely over. Ever since the...



