While most people you know probably haven’t even heard of CICS, anyone that banks, travels, or does business in the modern world has benefited from this cornerstone of enterprise transaction processing. Evolving alongside changes in hardware, operating systems,...
When Microsoft Windows emerged in the 1980s, it represented a very different vision of computing from the centralized, highly structured world of the mainframe. Windows powered the rise of personal computers and client-server systems, while mainframes continued...
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...
Our quiz today focuses on Linux, which Linus Torvalds originally created in the early 90s for x86 desktop hardware—about as far from a mainframe as you can get. But its life on mainframes has proved remarkably powerful. Through the mid-to-late 90s, Linux gradually...
For the month of April, Planet Mainframe puts the spotlight on influential mainframers, and this week our trivia quiz is all about mainframe trailblazer Eleanor Kolchin. Kolchin built her career at a pivotal moment in computing, when computing machines were...
At Planet Mainframe, April is dedicated to honoring influential mainframers past and present. This week’s quiz dives into the life and times of Bob Evans (1927–2004), who played a central role in shaping modern enterprise computing during his career at IBM. ...
This week, our Planet Mainframe quiz continues the “Next-Gen Mainframe” theme. For decades, mainframe development operated in its own world—but as the broader industry converged on open-source tooling, Git-based collaboration, and cloud-style DevOps pipelines, the...
If you’ve been in the mainframe ecosystem for any time at all, you’ll know that the mainframe has long been associated with stability and staying power. But today’s conversation increasingly centers on the evolution of the next-gen mainframe, and how it fits into...
Welcome to this week’s Planet Mainframe trivia quiz! On the heels of the 2026 Arcati Survey Results release, this round of trivia focuses on changes underway. Workforce demographics are shifting, new generations are entering mainframe computing fields (and through...
We often describe Python as a “modern” language, but its story spans decades of technological change, cultural shifts, and unexpected platforms. What began as a small side project in the Netherlands evolved into one of the most widely used programming languages in the...
