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 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 for ...

“Our same-day support reflects our commitment to helping customers maximize the value of IBM's next generation Mainframe platform with our next generation Mainframe management capabilities,” said ...

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 ...