IBM OS/2 might be dead, but ArcaOS is an officially-sanctioned continuation.

IBM says the z/OS 3.1 operating system will further integrate AI, embrace cloud stores, and improve performance of Linux workloads. IBM said this week it will soon roll out an AI-infused, hybrid-cloud ...

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 ...

Mainframe computing is having a moment — again. Nearly 60 years after the first IBM System/360 debuted as a mainframe platform, it continues to evolve in ways that defy expectations, powering critical ...

AS PART OF its ongoing effort to “reinvent” its venerable mainframe line IBM dropped the other shoe on Monday, delivering its new age 64-bit mainframe operating system called zOS. zOS fully exploits ...