Udemy – JCL The Ultimate Guide to Job Control Language

What you’ll learn
Introduction to z/OS and the mainframe environment. You will learn how to connect to the mainframe and a brief introduction to TSO/E, SDSF and ISPF facility.
Explain how JCL works with the system, JCL coding techniques, followed by relevant parameters and job control statements.
Learn how to create a mainframe job and submit it for execution. Utilize the System Display and Search Facility (SDSF) to view the results of your job.
Learn how to define and use Datasets, GDG bases, and VSAM clusters in JCLs. Understanding how to create and manipulate VSAM data sets with the IDCAMS utility.
Develop skills in using mainframe utilities including (IEFBR14, IEBGENER, IEBCOMPR, etc.) in JCL, as well as understanding DD statements requirements.
Learn how to write JCL Procedures, Symbolic Parameters, SET statements in JCL’s. Understand how to override statements in procedures.
Find out how to use the SORT utility and JOINKEYS to perform several operations on flat files.
Learn and understand how to use TIME, REGION, RESTART, TYPRUN, etc. in JCL’s. Familiarize yourself with the most common abend codes.
Learn how to prepare for job interviews using job interview questions and answers. You will also have an opportunity to test your knowledge in a chapter quiz.
By taking this course, the student will acquire a theoretical as well as a practical understanding of JCL.
Requirements
Basic Programming Skills.
General idea about IBM Mainframe.
Description
Introduction.
Today, Mainframe computers play a crucial role in the day-to-day operations of most of the world’s largest corporations, including most Fortune 1000 companies. Even though many business applications use other forms of computing, the Mainframe occupies a coveted position in the current e-business environment. The mainframe computer continues to form the foundation of modern business in industries such as banking, health care, insurance, public utilities, and government. When you work in the mainframe computing world, you must know JCL, which tells Z/OS what resources are required to process a batch job or start a system task.
What is JCL?
The term JCL stands for Job Control Language. JCL is a scripting language used by IBM’s mainframe systems to instruct the systems on how to initiate a batch job or start an online subsystem particular, JCL specifies which programs to execute with which input and output devices, as well as whether or not there are additional conditions which need to be met before proceeding with the step.
There are three basic JCL statements
JOB: Provides a job name to the system that will be used for this batch workload. In addition to accounting information, there are a few job-related parameters that may be present.
EXEC: Identifies a program to be executed. A job may contain more than one EXEC statement. These statements are referred to as job steps.
DD: The Data Definition provides inputs and outputs to the execution program on the EXEC statement. Using this statement, you can link a data set or other I/O device or function with a ddname coding in the program. A DD statement is associated with a particular job step.
JCL details can be complex, but the general principles are quite straightforward. In addition, a small subset of JCL is used for at least 90% of the process.
This JCL course discusses all key concepts. Job Control Language is the language used to control z/OS. Therefore, if you’re a developer or operator who works with a mainframe running one of the operating systems, you need to understand JCL. Despite the fact that programmers often get by with minimal JCL skills, the best ones acquire a solid set of skills as it helps them get more done in less time.
Note: For a list of topics covered, please refer to the content section. It is a pleasure to have you as a student. I would appreciate it if you would leave feedback because your feedback is important for us!
Who this course is for
If you are interested in learning Job Control Language (JCL).
In case you’re a programmer trainee, this course represents the most efficient and effective way to learn z/OS JCL.
Additionally, if you are an experienced programmer, you can use this course to enhance your JCL skills when needed.
Note: Whether you are a fresher or an experienced professional, this course is for you.

Homepage

https://www.udemy.com/course/job-control-language-jcl-course/

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