Upgrades of mainframe operating systems don’t usually generate much excitement. But users say IBM’s z/OS – the new version of OS/390, introduced in October of last year – is different. Not only does ...

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 ...

PSI counters that its patented technology enables standard, open-system Itanium processors to run the IBM z/OS operating system IBM Corp. says a Sunnyvale, California, company has infringed its ...

Mainframe computing continues to be central to enterprises despite the success of cloud computing. IBM z/OS 2.5 could make mainframes even more valuable, the company says. IBM recently announced the ...