Consists of 900 entries categorized into 21 chapters by broad categories, such as control language (CL), database, operations, RPG, TCP/IP, security, and utilities. Some of the major job areas addressed by the tips and techniques are data handling, subfiles, data and time, debugging, file handling, messaging, performance, printing, SEU, sorting and sequencing. Topics include string manipulation, altering run priority of submitted jobs, sorting tables in COBOL, month-end file purge jobs, entry field attributes, comparing objects against source, level breaks on partial fields, trimming leading zeros, invisible passwords, using SQL to merge files, and logging SNDMSG usage. The CD-ROM contains zip files of uploadable source code. Annotation c. Book News, Inc., Portland, OR (booknews.com)