JCL - Job Control Language [ Mainframe ]

JCL - Job Control Language [ Mainframe ] udemy course free download

JCL,IBM utilities, Cond,Procedures, GDG and Interview questions

Course Topics with Descriptions

1. Introduction to JCL
   Learn what JCL (Job Control Language) is and why it's essential in mainframe environments. Understand its role in submitting and managing jobs.

2. JCL Statements
   Overview of different JCL statements and their structure. Learn how they control job execution flow.

3. JOB Statement
   Detailed explanation of the JOB statement and its key parameters. Understand how it defines a job to the operating system.

4. EXEC Statement
   Learn how to execute programs using the EXEC statement. Understand its syntax and common parameters.

5. DD Statement
   Explore the Data Definition (DD) statement used to define datasets. Learn how to allocate files and pass data to programs.

6. Writing JCL Programs and Fixing Errors
   Step-by-step guidance on writing complete JCL programs. Understand how to debug and fix common JCL errors.

7. JCL Utilities
   Introduction to commonly used JCL utilities. Understand how to perform file operations like copy, delete, and more.

8. IEFBR14, IEBGENER, IEBCOPY Utilities
   Demos on how to use system utilities like IEFBR14, IEBGENER, and IEBCOPY. Learn their real-time use cases.

9. SORT / DFSORT Utility (Basic to Advanced)
   Learn to sort and manipulate data using DFSORT. Start from basic sorting and move to advanced features.

10. ICETOOL Utility (Basic to Advanced)
    Understand ICETOOL's powerful data processing capabilities. Learn with practical demos from basic to complex tasks.

11. JCL Procedures – Instream and Cataloged
    Learn how to reuse JCL code using procedures. Understand the difference between instream and cataloged procedures.

12. Procedure Parameters – Symbolic and Override
    Explore symbolic and override parameters used within procedures. Learn how to customize procedures dynamically.

13. COND Parameter in JCL
    Detailed explanation of how to use the COND parameter to control job step execution. Includes practical examples.

14. Interview Questions on COND Parameter
    Discuss common interview questions related to the COND parameter. Learn how to answer them confidently.

15. JCL Error Handling
    Learn techniques for identifying and resolving JCL errors. Understand return codes, ABENDs, and debugging tips.

16. Positional vs Keyword Parameters
    Understand the difference between positional and keyword parameters. Learn how and when to use each correctly.

17. Generation Data Groups (GDG)
    Learn how to define and use GDGs for managing sequential files. Includes demo on creating and accessing generations.

18. GDG Interview Questions
    Review frequently asked GDG interview questions. Understand concepts from a job interview perspective.

19. JCL Interview Questions
    Go through a collection of common JCL interview questions and answers. Great for job preparation and revision.

20. Practical Exercises on JCL Topics
    Apply what you've learned through hands-on exercises. Reinforce key concepts with real-world examples.