Big Blue on Monday will debut its newest model in the old-guard mainframe line, a less-expensive system that can run only newer software. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

IBM's latest mainframe is available with the option of a cut-down operating system that only runs newer software, and does not run traditional mainframe software such as CICS transaction processing.

The new model is the strongest indication so far of IBM's enthusiasm for uniting the comparatively new operating system with the decades-old business computer line. Stephen Shankland worked at CNET ...

Even as IBM celebrates the 40th anniversary of its mainframe line, the company is finding that competitors in that market haven't stopped trying to siphon money from that multibillion-dollar business.