AS/400 users have few independent references. This book offers them invaluable, detailed information on working with -- and optimizing -- the computers they depend on. This book covers advanced AS/400 and OS/400 features, including the Source Entry Utility, AS/400 Command Language, networking and communication, and PC support. It covers queues and writers; operations; the data file utility; and the screen design aid. It also offers specific, hard-to-find developer's information, including guidance on AS/400 programming for the System/36 environment. All programmers, system administrators and network managers who work with the IBM AS/400 midrange computer.