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

Broadcom is now offering Day One support for IBM z/OS 3.2 across its entire mainframe software portfolio. Building on its previously announced Day One support for the z17, it reflects the move ...

The new z/OS operating system was originally detailed last fall, when IBM introduced its z900 line of mainframes supporting up to 16 64-bit processors. The software is IBM’s first 64-bit ...

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 ...

GridGain has announced GridGain for z/OS, a mainframe-optimized version of GridGain for use on the IBM z/OS operating system. It runs on IBM zIIPs (z Integrated Information Processor), the IBM ...

Most notably, IBM has been rolling out IBM Wazi Developer for Red Hat CodeReady Workspaces, a cloud-native development experience for its venerable z/OS mainframe operating system.

IBM z/OS mainframe operating system gets AI, cloud infusion with software coming Sept. 29.

Back in that 3270 era, IBM attempted to make the mainframe part of a collection of its computing equipment with a series of operating systems (remember OS/2?) and a set of peer-to-peer protocols ...

We won’t pretend to be experts on the architectures of 1960s mainframe operating systems, but it’s interesting to read for a moment about what it was in MULTICS that caused UNIX to be written.

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.

IBM updated its z/OS operating system, adding AI optimization and quantum-focused features to its z17 mainframe. Update z/OS 3.2 brings features originally previewed by IBM in April, including AI ...

A manufacturer of mainframe "emulator systems" has filed a countersuit against IBM, claiming that IBM is using its heft to illegally put a stranglehold on the high-end computing market.