Fujitsu has launched a new operating system designed to underline the long-term relevance of mainframes as the backbone of the digital world with more advanced, high availability, interoperability, ...

Big Blue is to release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design. Stephen Shankland worked at CNET from 1998 to 2024 and wrote about ...

As it previewed in March, IBM is set to deliver an AI-infused, hybrid-cloud oriented version of its z/OS mainframe operating system. Set for delivery on Sept. 29, z/OS 3.1, the operating system grows ...

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 ...