Disaster Recovery Journal - Although business continuity is the focus, many articles are mainframe-related. Also hosts an annual conference. Computer Measurement Group - CMG is a user group focused on performance and resource management, especially for IBM mainframes, with an annual conference and exhibition in North America. Groups link lists local CMG groups worldwide. Planet MVS - Covers mainframe hardware and z/OS-related systems software topics. Including a collection of IBM Green Cards. Dinos Web Ring - Access to over 30 Web sites run by individuals interested in mainframes. The IBM 360/67 and CP/CMS - Tom Van Vleck's history of the IBM System/360 Model 67 computer and the CP/CMS operating system, which later became z/VM. Computer History: IBM 360/370/3090/390 - A personal history of the IBM mainframe by Lars Poulsen. IBM Redbooks - 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 presentation material. More often now, a few are introductory textbooks on a specific technology: IBM hardware or software product. Dictionary of the Mainframe World - 6000 words and phrases currently in use and from the past, technical and marketing terms, as heard in IBM mainframe computer environments. IBM Resource Link - 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. Visara International - Provides SNA, 3270, 5250 and LAN/WAN integration products: displays, printers and controllers, including communication servers and console concentrators. ITPapers: IBM Mainframe - A directory of technical white papers, Webcasts, and case studies from IBM and other companies. Marc Niegowski: Systems Programmer At Large - Historical mainframe information plus tips and techniques for Assembler and C/C++. From a Systems Programmer specializing in mainframe telecommunications networks. Fujitsu Mainframe Servers - Manufacturer of IBM mainframe-compatible servers, services, software and storage. Fujitsu acquired Amdahl, originally founded by IBM System/360 architect Gene Amdahl. The 360 Revolution - 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. Anura Guruge: Mr. SNA - Guruge's views on the IBM world, XML Web services, grids and autonomic computing. IBM Mainframe Servers - 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. IBM Corporate Archives - Includes a Search facility. Catalog link then Products and Services includes information on and pictures of many historical pieces of mainframe hardware. Coupling Facility Structure Sizer: CFSIZER - A Web-based application used to calculate the size of each IBM software product's structure within a Parallel Sysplex Coupling Facility (CF). IBM Resources for Mainframe Developers - 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. Hitachi Data Systems - HDS provides hardware storage systems for multiple platforms, including the IBM mainframe. Related support, software and training is also available. BookManager: IBM Softcopy Reader - Free Java-based software for Linux and Windows workstations. Used to read IBM manuals in BookManager format, typically on CD-ROM. Replaces IBM Library Reader (ILR).