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Influential Mainframers

Influential Mainframer – John Baker

Influential Mainframer – John Baker

This month, Planet Mainframe celebrates influential mainframers nominated by the community.Today, we spotlight a z/OS performance powerhouse. John Baker Principal Consultant, z Performance, IBM Toronto, Ontario, Canada Connect with John on: View the entire 2025...

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Upcoming Events

TRIVIA – COBOL in Enterprise IT

TRIVIA – COBOL in Enterprise IT

In September, Planet Mainframe pays tribute to the programming language that has formed the backbone of many mission-critical workloads — COBOL. Considered by some to be a relic of early computing, COBOL continues to play a vital (if often overlooked) role in the...

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TRIVIA – Observability and Resiliency

TRIVIA – Observability and Resiliency

At Planet Mainframe, September is the month that we pay special attention to two critical pillars of modern mainframe operations — observability and resiliency.  Observability goes beyond traditional monitoring by providing deep insights into applications,...

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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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