// Category
CL Commands
Control language scripting, job management, and automation on IBM AS400.
[CL Commands]
Master IBM i message queues and CL error handling in 2026: create message files with CRTMSGF and ADDMSGD, send informational…
[CL Commands]
Master ILE RPG service programs in 2026: compile RPG modules with CRTRPGMOD, create service programs with CRTSRVPGM, export and import…
[CL Commands]
Master IBM i commitment control in 2026: start and end commitment definitions with STRCMTCTL and ENDCMTCTL, control DB2 transaction scope…
[CL Commands]
Master IBM i job scheduling in 2026: add recurring batch jobs with ADDJOBSCDE, manage schedules with WRKJOBSCDE and CHGJOBSCDE, create…
[CL Commands]
Master IBM i data areas and data queues for inter-program communication in 2026: create and manage data areas with CRTDTAARA,…
[CL Commands]
Automate IBM i batch jobs in 2026: add recurring schedule entries with ADDJOBSCDE, manage and monitor schedules with WRKJOBSCDE, set…
[CL Commands]
Build robust IBM i CL programs with proper exception handling: IBM i message types, MONMSG command patterns, program message queue…
[CL Commands]
A deep dive into the IBM i ILE binding model: how modules, programs, service programs, and binding directories relate, how…
[CL Commands]
Master IBM i CL exception handling in 2026: message file architecture, CRTMSGF and ADDMSGD to define messages, SNDPGMMSG for escape…
[CL Commands]
A complete guide to IBM i system startup and shutdown procedures in 2026: understanding the IPL sequence, configuring QSTRUP, starting…
[CL Commands]
The operational CL commands IBM i administrators use every day: WRKACTJOB status codes explained (RUN, DSKW, LCKW, MSGW), CHGJOB and…
[CL Commands]
IBM i batch jobs are the ones nobody watches — until one fails. This post covers SBMJOB, WRKJOBSCDE, job queues,…
[CL Commands]
If you write RPG, you already use CL whether you realise it or not. Every time you submit a job,…