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 ...

IBM on Monday will release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design z/OS is a major overhaul of the basic software that runs the mainframe, ...

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, ...

IBM today announced plans to release a promised 64-bit version of its mainframe operating system later this week — a move that users and analysts said should provide a crucial foundation for building ...