The I/O Tester dates from around 1965, which roughly coincides with the introduction of IBM’s lauded System/360 computer mainframe. In addition to the computer itself, business customers could order a ...

Mainframe computing is having a moment — again. Nearly 60 years after the first IBM System/360 debuted as a mainframe platform, it continues to evolve in ways that defy expectations, powering critical ...

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 ...

International Business Machines' mainframe computer, first introduced more than 50 years ago, remains an integral part of many companies' IT infrastructures. Visa, for example, uses IBM's mainframes ...

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, ...

As IBM tries to consolidate its grip on the mainframe market, competitors see an upcoming product transition as a chance to steal some bones from the top dog. Martin LaMonica is a senior writer ...

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 ...