Recently Published
The bill for technical debt just came due
“It still runs" no longer means "it’s still safe." Here is why AI-driven exploit discovery is turning decades of unpatched technical debt, legacy frameworks, and hidden API flaws into an immediate target list.This topic has been nagging at me for months, because it...
Stop Defending Mainframe Costs. Start Demonstrating Mainframe Business Value.
Every budget cycle, IBM Z teams are asked to justify the platform's cost. The strongest answer isn't about hardware or software. It’s about measurable business value.Come budget season, and somewhere, a technology leader is asked a familiar question: "Why does the...
Linux and the Mainframe: A Platform Relationship Coming Into Its Own
For years, the conversation about Linux on the mainframe was mostly theoretical — a promising idea living at the edge of enterprise strategy. That conversation is changing. A confluence of data points from the 2026 Arcati Mainframe User Survey, BMC's 20th annual...
z/OS UNIX Tuning: What New USS Practitioners Should Know
This article offers a practical USS tuning primer for new mainframers, developers moving into z/OS UNIX, and technical leaders who need to understand the basics before changing system settings.z/OS UNIX tuning can feel familiar and unfamiliar at the same time. USS...
❓The Unix Legacy Trivia
Like so many transformative innovations, the creation of UNIX was the unintentional outcome of a failed experiment—specifically with a time-sharing operating system called Multics for the GE-645 mainframe. While it was originally developed as a side project with...
News – AI, Modernization, and Mainframe Momentum: This Week’s Industry News
BMC Expands AI-Powered Mainframe Solutions IBM Introduces IBM Bob Premium Package for Z Kyndryl to modernize systems for North Carolina DMV AI Helped a Company Transition Off the Mainframe - and the Project Won an Award Kyndryl named a Leader in 2026 ISG Provider...
Zowe, DB2, and the Open-Source Future of the Mainframe
In the world of enterprise computing, the Great Divide between the mainframe (z/OS) and Linux (Distributed) has long been defined by proprietary silos and unique interfaces. However, as Amanda Hendley of Planet Mainframe highlighted in a virtual user group session...
Sharing VSAM Between CICS and Batch: How the Routing Model Works
A look at how some z/OS shops have closed their batch windows by pushing batch I/O through the owning CICS region.Most CICS shops I have worked in carry the same operational habit: keep a nightly window open so that batch can update VSAM files without colliding with...
Performance & Tuning Month
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Upcoming Events
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Virtual IMS User Group | All about SMP-E (System Modification Program-Extended)— It’s SiMPlified!!!
Zoom - Virtual MeetingAll about SMP/E (System Modification Program/Extended) — It's SiMPlified!!! SMP/E (System Modification Program/Extended) is the foundation of software maintenance and update management within the z/OS ecosystem. This session provides a […]
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Accelerating Mainframe Efficiency: Development and Testing Webinar
Zoom - Virtual MeetingUnlock the power of instantly available mainframe resources to revolutionize mainframe delivery. The third session in the PopUp Persona Webinar series reveals how application developers, software engineers, and QA teams […]
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Virtual IMS User Group | Data Gravity and IBM Z: Bringing Processing to the Data
Zoom - Virtual MeetingAs data volumes grow, they naturally attract applications, services, and processing toward them—a concept commonly referred to as data gravity. In hybrid cloud environments, understanding data gravity has become increasingly […]
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Virtual CICS User Group | Latest Update on Security in CICS TS 6.3: The Journey to Zero Trust
Zoom - Virtual MeetingCICS has been advocating zero trust principles and introducing security-focused enhancements since CICS TS 6.1. This session will explore the latest security capabilities available in CICS TS 6.3 and how […]
❓ROI, Business Case, and Tuning for Value: Round Two
This month at Planet Mainframe Trivia, we've been exploring how organizations maximize the value of their mainframe investments. Creating value doesn't end once a project is approved. Organizations continually look for ways to improve performance, optimize resources,...
Compact z17 and LinuxONE Systems, Real-Time Mainframe Software Visibility, and more
IBM Launches Compact z17 and LinuxONE Systems to Address Space and Cost Constraints Kyndryl Report: AI adoption accelerates as workforce readiness becomes the ROI difference maker Precisely Delivers Real-Time Mainframe Software Visibility to the ServiceNow AI Platform...
❓ROI, Business Case and Tuning for Value Trivia: Round One
For July’s Planet Mainframe Trivia Quizzes, we're exploring the fundamentals of measuring value and making informed technology decisions. Whether the investment involves modernizing a mainframe environment, optimizing workloads, or deploying new enterprise...
Overestimating AI in Mainframe Migrations, Strategic Collaboration Agreement, and more
Gartner Warns Against Overestimating AI in Mainframe Migrations IBM, Red Hat, and Deloitte Announce Lightwell Collaboration to Help Strengthen Open Source Software Supply Chain Trust BMC to Separate Helix AI ServiceOps Business Kyndryl and AWS sign expanded strategic...
❓Mainframe History Trivia: Mauchly and Eckert
This week at Planet Mainframe Trivia we’re dipping back into the deep history of computing with a quiz on the work of John Mauchly and J. Presper Eckert—two of the most influential pioneers in the history of computing. Their work helped move electronic computers from...
Accelerate Agent-Drive Transformation, a New AWS Transform Integration, and more
Kyndryl Launches AI Orchestration for Business to Accelerate Agent-Driven Transformation Rocket Software Joins HPE Unleash AI Partner Program to Accelerate AI Adoption IBM Launches Global AI Builders Challenge With IBM Bob for University Students, Expanding...