IBM TotalStorage Enterprise Storage Server (ESS) can be used for both mainframe DASD and as a Storage Area Network (SAN) for a broad range of platforms. Originally code-named SHARK.

News analysis, technology, editorial, product reviews and pictorial sections covering mainframe, Unix/Linux, software and services.

A directory of technical white papers, Webcasts, and case studies from IBM and other companies.

Historical mainframe information plus tips and techniques for Assembler and C/C++. From a Systems Programmer specializing in mainframe telecommunications networks.

Covers mainframe hardware and z/OS-related systems software topics. Including a collection of IBM Green Cards.

IBM's 40th anniversary book, by Chuck Boyer, detailing the history of the System/360; IBM mainframes today are still software-compatible with the System/360.

Tom Van Vleck's history of the IBM System/360 Model 67 computer and the CP/CMS operating system, which later became z/VM.

An informal association of mainframers run by Arcati Research, with monthly newsletter and breakfast sessions in London or Oxford, England. Membership is free.

Provides SNA, 3270, 5250 and LAN/WAN integration products: displays, printers and controllers, including communication servers and console concentrators.

A tribute to the late Chris Bunyan, Xephon co-founder and champion of the IBM mainframe.