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Control Language Programming for IBM i

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

Target Audience

Application programmers, systems programmers and others who have a need to write Control Language programs.

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Learning Objectives

After completing this course, students should be able 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

Pre-Requisites

Before taking this course, students 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

Course Content

The course includes the following Topics:

  • 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 & change job/user attributes.
  • Using system values.
  • Message handling :
  • Correcting programs with source debug.
  • Never-ending batch programs.
  • User-defined commands.
  • Compiler options.
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Online Courses

You may prefer an online course if you are looking for a flexible and cost-effective solution. Online courses allow you to study at your own pace, at a time that suits you.

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