An introduction written for AS/400 system operators responsible for the daily, weekly, and monthly operations using V3RIMO of the OS/400 operating system. The introductory texts supplies a step-by-step, hands on direction to effectively manipulate the system architecture, DB2/400, queries, user interface, backup, report management, system configuration, networks, security, and PC support. Each piece of the AS/400 puzzle is well illustrated with reproductions of the screens and end of the chapter "hints." Annotation c. by Book News, Inc., Portland, Or.