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2025 Influential Mainframers

2025 Influential Mainframers

Planet Mainframe spent the month of April honoring the individuals that keep the world’s mainframe systems running. With the second annual Influential Mainframers campaign, we shared the stories of “the folks behind performance tuning breakthroughs, critical...

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Introducing LinuxONE 5 and trends for 2025

Introducing LinuxONE 5 and trends for 2025

IBM Introduces LinuxONE 5: A Sophisticated Approach to Security, Efficiency, and AI Integration for Modern Enterprises On May 6, 2025, at its annual THINK conference, IBM rolled out the IBM® LinuxONE 5, an advanced computing platform designed with the complexities of...

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z/VSE: The forgotten operating system

z/VSE: The forgotten operating system

In the world of mainframe operating systems, z/VSE is often overshadowed by better-known siblings such as z/OS. But z/VSE has an impressive story worth telling. Virtual Storage Extended (z/VSE) is an operating system designed specifically for IBM mainframes. It was...

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TRIVIA – Mainframe Firsts

TRIVIA – Mainframe Firsts

Mainframes have a reputation for being rock-solid, reliable…and maybe a little mysterious (to outsiders at least). But behind the green screens and acronyms lies a rich history of innovation that has shaped the modern computing world.  From groundbreaking hardware...

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A Decade in Purple Chucks: Celebrating Planet Mainframe

A Decade in Purple Chucks: Celebrating Planet Mainframe

When a group of mainframers started a part-time mainframe blog 10 years ago, they never imagined it would become a leading website for mainframe industry news. For over a decade, we’ve shared ideas, explored new innovations, and highlighted the people shaping the...

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TRIVIA – Mainframes and Their Rivals

TRIVIA – Mainframes and Their Rivals

For decades, mainframes have stood quietly at the heart of global enterprise computing, but they haven’t been without competition. From the rise of minicomputers to the spread of UNIX systems and the open-source movement, each wave of innovation has challenged the...

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