IBM Corp. 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 ...

Big Blue is to release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design.

The software is IBM’s first 64-bit mainframe operating system and includes several new capabilities designed to make it easier and less expensive for users to run big-iron boxes.

IBM on Monday will release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design.

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 ...

Big Blue is dropping customer support for the mainframe operating system OS/390 version 2.10 at the end of September and is urging customers to upgrade to z/OS version 1.4. The potentially large ...

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 recently announced the release of version 2.5 of its z/OS mainframe operating system. The latest version of z/OS is, according to IBM, “designed to accelerate client adoption of hybrid cloud ...

A non-IBM mainframe that runs IBM mainframe operating systems and applications. In the late 1960s, RCA's computer division produced the Spectra 70, the first line of machines compatible with IBM's ...