IBM i Error Handling and Message Control Explained
Good IBM i error handling turns a vague failure into a message, a log entry, and a clear recovery path.
Good IBM i error handling turns a vague failure into a message, a log entry, and a clear recovery path.
Modules, bound programs, and binding directories are the packaging layer that turns compiled IBM i code into reusable application components.
Prevent IBM i resource leaks and job restarts by mastering activation groups, call stacks, ACTGRP settings, and a practical RPG, COBOL, CL review checklist.
Good IBM i application design separates concerns, keeps business logic readable, and makes change safer for the whole team.
Security auditing and authority collection help IBM i teams see how access is used in practice and where permissions should be tightened.
Release upgrades succeed when compatibility, testing, and rollback planning are treated as first-class work.
PTF management is the routine discipline that keeps IBM i systems current, stable, and less surprising over time.
Access Client Solutions is the modern client toolkit many IBM i users rely on for sessions, SQL work, file transfer, and system tasks.
The Integrated File System is how IBM i works with stream files and directories in a way that looks familiar to modern tools and developers.
Data areas, data queues, and user spaces give IBM i programs simple building blocks for sharing state and passing messages.