Mainframe JCL Developer-Support Training BY Anil Polsani from Udemy

JCL - Job Control Lang, in Mainframe JCL is used in Batch application where all the logical programs coded in COBOL are compiled and executed.

In This Course we will Learn JCL - from basic to expert level. Perfect for interview and good for knowing how project use JCL.

JCL Course Content

Introduction to JCL (JOB Control Language) Theory
- Statements of JCL : JOB, EXEC , DD & NULL statement
- JCL code sheet & Sample JCL template
- Understanding of JES (Joint Entry Subsystem) & Spool-SDSF & MAXCC (Cond codes)
Working with sample JCL's Jobs Practical’s
JCL Parameters: Theory
Types of Parameters, JOB Statement, EXEC Statement & DD statement Parameters
JCL utilities Theory
GDG Concept Theory & Practical
JCL PROC'S : Type of PROC, Uses of PROC Theory & Practical
PROC Overriding concepts Theory & Practical
Miscellaneous concepts: Theory & Practical

You can also buy my other DB2 and CICS course which will be covering below topics:

DB2 Course Content

· Introduction to DB2 / SQL

· How to COBOL-DB2 programs

o Create a DB2 table

o DCLGEN copybook

o Code COBOL-DB2 Program

o Pre-compilation

o Execution

· Cobol-DB2 program practical's

o Insert

o Select + Cursor + Null indicator

o Update + Commit + Restart logic

· Load & unload

· SQLCODE error code

· SQL Select Query + View + Joins + Sub Query

CICS Course Content

Introduction to CICS - Batch vs Online systems - CICS system tables

BMS Macros –Maps and Map sets
COBOL-CICS program - Pseudo –conversational Programming - copybooks CICS commands SEND, RECEIVE & RETURN Triggering CICS transactions
Sub Program LINK & XCTL - PGMIDERR
Error Handling, HANDLE CONDITION, RESP, IGNORE CONDITION, NOHANDLE
File Handling – STARTBR READNEXT READPREV ENDBR RESETBR
COBOL-CICS-DB2 program example
TDQs and TSQ

What's inside

Learning objectives

Jcl concepts - how to code production jcl and work on production job abends
Developer roles to support roles training all parameters

Learn how to see real jcl used in project
Simple ways to learn easy jcl

Jcl concepts - how to code production jcl and work on production job abends
Developer roles to support roles training all parameters
Learn how to see real jcl used in project
Simple ways to learn easy jcl

Syllabus

This Session gives an Idea of where and why we use JCL in Mainframe System

Introduction to Mainframe - Batch vs Online Processing

Introduction to COBOL - Programming Language

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Read about what's good

what should give you pause

and possible dealbreakers

Explores JCL, which is essential for batch processing in mainframe environments, providing a foundation for working with legacy systems

Covers JCL utilities and procedures, which are crucial for automating tasks and managing data sets in mainframe environments

Includes practical examples of JCL usage in projects, which helps learners understand how JCL is applied in real-world scenarios

Discusses working with production job abends, which is a critical skill for maintaining and troubleshooting mainframe applications

Requires familiarity with COBOL, DB2, and CICS, which may necessitate additional learning for those new to mainframe development

Teaches JCL, which is a technology primarily used in older mainframe systems, so learners should consider its relevance to their career goals

Reviews summary

Practical mainframe jcl training for developers

According to students, this course offers a highly practical approach to learning Mainframe JCL. Learners appreciate that the content focuses on real-world scenarios and what's needed in project work and for interviews. The instructor is praised for explaining complex concepts simply, making them easy to grasp. The course covers essential JCL elements like JOB, EXEC, and DD statements, along with utilities, GDG, and PROC concepts, providing a solid understanding. The hands-on examples and working with sample JCLs are frequently highlighted as particularly useful and effective for learning. It's seen as effective for understanding production job abends and daily JCL tasks.

Covers essential JCL elements and utilities.

"Good coverage of basics to intermediate."

"Covers JOB, EXEC, DD well."

"Finally understand PROC and GDG properly."

Helps prepare for roles and interviews.

"Perfect for interview prep."

"Good for knowing how project use JCL."

"Highly recommended for mainframe professionals."

Sample JCLs and demos are valuable.

"The hands-on examples and working with sample JCLs are particularly useful."

"Demos are useful."

"Helped bridge the gap between theory and practice."

Complex JCL concepts are made simple.

"Anil explains JCL concepts very well. Made complex topics easy to grasp."

"Concepts are explained simply."

"Cleared up many doubts about JCL."

Focuses on real-world JCL use in projects.

"Excellent course, practical examples helped a lot with my job."

"Focuses on what you actually use in projects, like handling abends."

"The course directly relates to real-world scenarios."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Mainframe JCL Developer-Support Training BY Anil Polsani with these activities:

Review Mainframe Fundamentals

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Reinforce your understanding of mainframe concepts to better grasp JCL's role within the system.

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Review mainframe architecture diagrams.
Summarize the key components of a mainframe system.
Explain the difference between batch and online processing.

Read 'IBM Mainframe Handbook'

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Gain a broader understanding of the mainframe environment to better appreciate JCL's function.

View Putting Knowledge to Work on Amazon

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Read the chapters related to operating systems and job management.
Take notes on key concepts and terminology.
Relate the book's content to the course syllabus.

Write sample JCL jobs

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Practice writing JCL code to solidify your understanding of syntax and parameters.

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Create JCL jobs for simple tasks like copying datasets.
Experiment with different JCL parameters.
Debug and correct any errors in your JCL code.

Four other activities

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Document common JCL abends

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Research and document common JCL abends and their solutions to improve troubleshooting skills.

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Research common JCL abend codes.
Document the cause and possible solutions for each abend.
Organize the information in a clear and concise format.

Automate a task with JCL

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Apply your JCL knowledge to automate a real-world task, such as data backup or report generation.

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Identify a task that can be automated with JCL.
Design a JCL job to perform the task.
Test and refine the JCL job until it works correctly.

Contribute to a JCL library

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Contribute to an open-source JCL library by submitting useful JCL procedures or utilities.

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Find an open-source JCL library on GitHub or a similar platform.
Identify a JCL procedure or utility that you can contribute.
Submit your contribution to the library.

Help others with JCL questions

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Reinforce your understanding of JCL by helping other students with their questions and problems.

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Participate in online forums or study groups.
Answer questions about JCL syntax and parameters.
Share your knowledge and experience with others.

Career center

Learners who complete Mainframe JCL Developer-Support Training BY Anil Polsani will develop knowledge and skills that may be useful to these careers:

Batch Systems Analyst

A Batch Systems Analyst designs and maintains batch processing systems. This role requires a deep understanding of JCL, as batch jobs are integral to mainframe operations. This course covers core JCL concepts, including parameters, utilities, and procedures, as well as real-world applications of those concepts. The course also touches on handling production abends, a daily concern of a batch analyst. It teaches how JCL is used in project scenarios, making it highly relevant to a career in batch systems analysis. This course is a clear fit for this role.

See salaries and explore the career path for Batch Systems Analyst

Mainframe Systems Programmer

A Mainframe Systems Programmer works to maintain and optimize mainframe systems. This role includes ensuring the smooth operation of batch processing, which relies heavily on JCL. This course, focusing on JCL from basic to expert levels, is directly applicable, providing the practical knowledge needed to write, debug, and manage JCL scripts used for batch jobs. It also emphasizes understanding JES and spool, key elements in system programming. This course helps build a foundation to understand and manage the core of mainframe batch processing.

See salaries and explore the career path for Mainframe Systems Programmer

Production Support Analyst

Production Support Analysts ensure the smooth running of applications and systems in a production environment. For mainframe systems, this involves a solid understanding of JCL, as many production processes run as batch jobs. This course provides a comprehensive understanding of JCL, from basic concepts to advanced techniques, like PROC overriding. It delivers practical insight into production job abends and how to resolve them, making it invaluable for production support. This course is a good fit for this career.

See salaries and explore the career path for Production Support Analyst

Mainframe Operations Analyst

A Mainframe Operations Analyst is involved in the day-to-day operations of mainframe systems. JCL is fundamental to mainframe operations, so this course provides a good understanding. The course covers coding production-level JCL, working with abends, and working with various JCL parameters. This course also explains how JCL is used in real projects, which will assist the operations analyst. The course also explains how JCL is used in real projects, making it a good fit for this position.

See salaries and explore the career path for Mainframe Operations Analyst

Mainframe Application Support

Mainframe Application Support specialists are tasked with problem-solving in mainframe systems. This position commonly works with JCL through application maintenance and troubleshooting processes. This course focuses on JCL, from introductory to advanced topics, which can help one understand how JCL is used in real projects. It also teaches how to code JCL and work with production job abends. This course is helpful for working with mainframe systems.

See salaries and explore the career path for Mainframe Application Support

Application Developer

Application Developers create and maintain software applications. In a mainframe environment, this often involves using JCL to execute programs written in COBOL. This course, with its in-depth curriculum on JCL parameters, utilities, and procedures, provides the essential skills to develop and deploy applications on mainframes. It covers practical aspects of JCL usage, such as working with GDG, PROC,s and other concepts, specifically relevant to an application developer in the mainframe space. This course may be useful for an application developer working with mainframe systems.

See salaries and explore the career path for Application Developer

Technical Support Specialist

A Technical Support Specialist provides technical assistance to users of a specific system. In the realm of mainframe computing, this role often involves troubleshooting issues related to batch processing and JCL. This course imparts a robust grasp of JCL, including its parameters, utilities, and real-world implementations. This course also addresses troubleshooting production abends, a skill highly relevant for technical support. This course may be useful for technical support specialists.

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Data Processing Specialist

Data Processing Specialists manage the processing of data, which often involves batch processing on mainframe systems using JCL. This course covers the basics, and all the way up to expert-level JCL along with how to work with production job abends, which are both useful skills for the data processing specialist. This course will help one learn how to code and work with production JCL. This course may be useful for a data processing specialist.

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System Administrator

System Administrators oversee system operations, including batch processing on mainframes. They require an understanding of JCL to manage and troubleshoot batch jobs. This course provides in-depth knowledge of JCL, including how to work with its parameters, utilities, and procedures. It also guides one on how to code production level JCL and handle abends, useful skills for a system administrator. This course may be helpful for system administrators who work with mainframes.

See salaries and explore the career path for System Administrator

IT Specialist

An IT Specialist can work in many different areas of technology, including mainframe systems. This course, focused on JCL for the mainframe, may be useful for someone who works with that technology. This course introduces JCL fundamentals, parameters, utilities, and procedures. It also offers instruction on working with production JCL and working with job abends. This course may be useful for IT specialists who work on mainframe systems.

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Software Consultant

Software Consultants often provide expert advice on a specific area of technology. This course, specializing in JCL for mainframe systems, positions one to help others with this technology. The course also focuses on practical applications, such as production level coding and working with abends. This course helps build a good foundation in mainframe JCL. This course may be useful if advising on JCL solutions.

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Data Analyst

Data Analysts are often involved in data processing, and a solid understanding of JCL can be useful when working with large-scale data processing on mainframe systems. This course provides an in-depth understanding of JCL, including parameters, utilities, PROC,s, and GDG concepts. The course also explains how to debug in production environments. This course may be useful to data analysts working with very large datasets on mainframe systems.

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Database Administrator

A Database Administrator is responsible for database management, and in some cases, this can involve using JCL for database related tasks on mainframes. This course introduces the basics of JCL and extends into detailed topics like PROC,s and GDG's, which can help when managing databases using mainframe systems. The course also covers how to debug and work with abends. This course may be useful to a database administrator who works on mainframe systems.

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Software Engineer

Software Engineers build and maintain software systems, and some may work on mainframe-based applications. This course provides a foundation in JCL, a requirement for programs that run on mainframes. The course introduces JCL and then moves into more advanced topics like parameters, utilities, and procedures. It also covers troubleshooting production job errors. This course may be useful to software engineers who work with mainframe systems.

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Technology Consultant

Technology Consultants advise clients on technical solutions. This course, which focuses on mainframe JCL, can provide a specialized skill set for a technology consultant. This can be a niche skill set. This course teaches JCL from the ground up as well as production level code, and how to debug. This course may be useful for a technology consultant who specializes in mainframe systems.

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Mainframe JCL Developer-Support Training BY Anil Polsani

What's inside

Learning objectives

Syllabus

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Reviews summary

Practical mainframe jcl training for developers

Activities

Career center

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