The program reverses an IBM policy that mandated that users run z/OS only in full 64-bit mode on zSeries mainframes. Currently, the OS/390 can run on zSeries hardware in 31-bit mode.

“IBM z/OS V2.5 brings new security and resiliency capabilities to the platform and enables clients to infuse AI in real-time into every business transaction—imperatives that became more urgent ...

IBM on Monday will release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design. z/OS is a major overhaul of the basic software that runs the ...

IBM assured customers Thursday that the company will continue to sell and support OS/2, clarifying an online notice that drew speculation that the vintage operating system was being phased out.

An open-source Web-based operating system called eyeOS is getting a big boost from IBM. The computer giant has begun selling high-end mainframe servers with eyeOS pre-installed, hoping the ...

This article was updated to reflect the fact the service is available to all, not just existing IBM Cloud customers. And further, that it's only designed for early test z/OS applications.

The AI-infused z/OS 3.1 features will be released on September 29, while the AI toolkit for IBM Z and LinuxOne will be released sometime in the fourth quarter. The company declined to provide ...

IBM convinced companies like Lotus to develop for OS/2 first, which is why 1-2-3/G came out for OS/2 before a version was available for Windows. Excel just happened to be written for Windows.

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.

It was 25 years ago that IBM and Microsoft first launched the OS/2 operating system, which managed to live a long life without ever really catching on with the mainstream. As Time points out in ...

IBM is measuring OS/2 for its coffin. The company reaffirmed its intent to soon end support for the storied operating system, releasing an official road map for the software’s demise.

IBM's mainframes weigh between one and two tons apiece. The first version of z/OS, V1R1, will be available Friday, IBM said. A later revision to z/OS, V1R2, is expected in October, IBM said.