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 ...

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

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 ...

IBM on Monday will release z/OS, its z900 mainframe operating system upgraded to take advantage of the new model's 64-bit design.

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.

IBM this week rolled out a feature-filled upgrade to its mainframe operating system, z/OS, focused on pumping up Big Iron availability, management and security. The general idea is to help ...

The operating system controlling a mainframe is much more secure than a PC or server operating system. All mainframe program changes originate from within, or near, the computer room.

That support will finally be available come December 16.IBM has positioned its mainframes as consolidation platforms to run its z/OS mainframe operating system, Linux, AIX Unix and Windows.

A non-IBM mainframe that runs IBM mainframe operating systems and applications. In the late 1960s, RCA's computer division produced the Spectra 70, the first line of machines compatible with IBM's ...

As organizations look to modernize IT systems, including the mainframe, there’s a critical need to do so without sacrificing security or falling out of compliance. But that’s a balancing act ...

Mainframe configuration vulnerabilities can come from a variety of sources, including hardware configurations, IPL parameters, External Security Manager (ESM) configurations and operating system ...