• What is OS/400? - Definition from WhatIs.com

    search400.techtarget.com/definition/OS-400 OS/400 is IBM's operating system for its AS/400 and AS/400e line of business computers. Because OS/400 is closely attuned to the AS/400 hardware design and generally ...
  • IBM i - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/IBM_i IBM i is an EBCDIC-based operating system that runs on IBM Power Systems and on ... and originally named OS/400 when it was introduced with the AS/400 computer ...
  • The Operating System Handbook

    www.snee.com/bob/opsys/part4os400.pdf The Operating System Handbook or, Fake Your Way Through Minis and Mainframes by Bob DuCharme OS/400
    • IBM i operating system advantages – About IBM i including AS ...

      www.ibm.com/systems/power/software/i/about.html The IBM i operating environment provides a broad and highly stable middleware foundation for efficiently deploying business applications on IBM Power Systems platforms.
    • History of OS/400 - MidrangeWiki

      wiki.midrange.com/index.php/History_of_OS/400 The operating system, like the hardware of the midrange family, has changed significantly since its release on August 26, 1988 as OS/400 Release 1.
    • OS/400 | Article about OS/400 by The Free Dictionary

      encyclopedia2.thefreedictionary.com/OS%2f400 OS/400 The operating system for IBM's AS/400 midrange line. Introduced in 1988, OS/400 communicates with the hardware through the Licensed Internal Code (LIC) layer ...