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.

The on-off feature that had worked with IBM's z/OS mainframe operating system now can be used to add new Linux computing capacity as well, IBM said.

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, ...

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 ...

In its second major patent enforcement action in as many months, IBM is suing an Intel-backed maker of computers that use a version of IBM's high-end mainframe operating system reconfigured to run ...

Along with the IBM mainframe operating system, the PSI machines also run Linux, Windows and HP-UX, according to the company.

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 ...

And, there’s a huge amount of risk involved with operating system-level vulnerabilities. If a hacker were to exploit one, he or she would have access to all of the data, applications and users on the ...