A bimonthly IBM publication with technical overview and how-to articles and tips, mostly on systems software, with some hardware coverage; plus IBM and non-IBM product news. Written by IBM and non-IBM authors.

Manufacturer of IBM mainframe-compatible servers, services, software and storage. Fujitsu acquired Amdahl, originally founded by IBM System/360 architect Gene Amdahl.

Links to P/390 information and z/OS freeware, as well as Gilbert's own z/OS tools and documentation.

HDS provides hardware storage systems for multiple platforms, including the IBM mainframe. Related support, software and training is also available.

Includes a Search facility. Catalog link then Products and Services includes information on and pictures of many historical pieces of mainframe hardware.

IBM TotalStorage Enterprise Tape Drive 3592 replaces 3590 MagStar with a non-compatible tape cartridge format, just as MagStar replaced 3480 a decade earlier. Originally code-named Jaguar.

IBM home page for current mainframe computer systems, with links to an overview, software, operating systems, networking, I/O connectivity, solutions, news, events, FAQs, support, education and a library of documents.

Special type of less formal IBM manuals. Useful for users seeking more real-world examples than given in standard manuals. Usually details implementation and experiences of a project to implement IBM software and hardware, but some are conference pres...

Convenient access to mainframe hardware and systems software planning and maintenance information. Registration is free, but is restricted to IBM customers, business partners and employees; confirmation takes about two business hours.

IBM programs and information for anyone developing a commercial software product for IBM's mainframe operating systems. Including free software and low cost hardware through PartnerWorld for Developers, developerWorks and other programs.