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Understanding a Legend, From Pre-Z to the Present: Welcome to ‘The IBM Z Experience’

Joseph Gulla

April 2, 2026

Joe Gulla follows up on 'z/OS and Friends' with a new series, setting out to understand the impact of the mainframe through a lens of innovation, realization and transformation

Articles

SYSB-II: Turning Nightly Downtime into a Competitive Advantage

November 10, 2025

If you run on IBM Z, you may still stop CICS overnight so batch jobs can update VSAM files. That pause is a habit, not a requirement. SYSB-II removes the trade-off between fresh data and uninterrupted access: batch updates VSAM while CICS remains open, preserving integrity and predictable response times. The Value in One Paragraph […]

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Articles

Why Mainframe Security Postures Vary So Widely

Andrew Wig

November 5, 2025

Phil Young, director of mainframe penetration testing at NetSPI, describes the most commonly omitted security controls, and why they get skipped

Articles

The Web Server Landscape: Where IBM HTTP Server Fits In

Joseph Gulla

October 29, 2025

For "z/OS and Friends," Dr. Joe Gulla looks at the special role played by the IBM product, how it works with WebSphere Application Server and how other web servers compare

Podcasts

Dr. Joe Gulla Still Hears the Music of the Mainframe

Andrew Wig

September 24, 2025

The "z/OS and Friends" author goes on "IT Social Hour" to discuss how he went from music theory major to mainframe devotee, why he still gets emotional about the mainframe, and why, at age 72, "z/Architecture Principals of Operation" still fills him with wonder

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