Control Language Programming Workshop for IBM i - OL20G

Control Language Programming Workshop for IBM i - OL20G


This course will benefit application programmers, systems programmers and all others who have a need to write Control Language programs.


Before taking this course delegates should be able to:

  • Perform basic system operations.
  • Issue the appropriate commands to send inquiry and information messages.
  • Use DDS and the host-base toolset (PDM,SEU, SDA) to create physical, logical and display files.
  • Describe basic iSeries work management.
  • Create a library, output queue and a job description.


4 days. Hands on.

Course Objectives

This is a hands-on course for iSeries students who intend to write Control Language programs to simplify server management and make effective use of system resources.

On this course delegates will learn to:

  • Create CL programs to simplify system management tasks.
  • Code CL statements for arithmetic, relational and logical expressions.
  • Use the interactive source debugging facilities of STRDBG.
  • Create user-defined commands with and without parameters.
  • Create a Control Language program that processes a database file.
  • Create and invoke a program that is activated periodically and executes asynchronously from other jobs.

Course Content

Arithmetic/boolean/string expressions.
Program variable definition and use.
Built-in functions.
Conditional processing.
CALL/RETURN and parameter passing.
Date conversion.
Display and database file handling.
Selective command parameter prompting.
Data Area and Data Queue manipulation.
Retrieve and change job/user attributes.
Using system values.
Message handling.
Correcting programs with source debug.
Never-ending batch programs.
User-defined commands.
Compiler options.

Virtual Courses

ALL of our courses can be delivered virtually! Our Bath public schedule courses are available as live virtual sessions, using the popular Zoom Virtual Classroom and remote labs. Delegates can test their access at:

Public Courses

On-Site Courses

Can't attend one of our public classes? Booking for multiple people?

All our courses are available on your site! Delivered for your staff, at your premises.

Contact us to find out more...