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.
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.
Program variable definition and use.
CALL/RETURN and parameter passing.
Display and database file handling.
Selective command parameter prompting.
Data Area and Data Queue manipulation.
Retrieve and change job/user attributes.
Using system values.
Correcting programs with source debug.
Never-ending batch programs.