IBM has dominated the mainframe computer business since the category was created four decades ago. And it still gets about one-quarter of its $100 billion in annual revenue from sales, software, ...

Forty years after Big Blue introduced the S/360, the zaftig systems are still going strong and finding a way to fit into 21st-century computing. Michael Kanellos is editor at large at CNET News.com, ...

In short: IBM and Arm announced a strategic collaboration on 2 April 2026 to enable Arm-based software to run on IBM Z and LinuxONE mainframes, the platforms that process the bulk of the world’s ...

Mainframe computers are often seen as ancient machines—practically dinosaurs. But mainframes, which are purpose-built to process enormous amounts of data, are still extremely relevant today. If ...

I look back at my mainframe days very fondly. Hired to be a GIS code monkey on VM/SP, I would up also managing our machine, applying PUTs and even performing the upgade from VM/SP 5 to VM/SP 6--heady ...