Most asked top Interview Questions and Answers & Online Test
Education platform for interview prep, online tests, tutorials, and live practice

Build skills with focused learning paths, mock tests, and interview-ready content.

WithoutBook brings subject-wise interview questions, online practice tests, tutorials, and comparison guides into one responsive learning workspace.

Prepare Interview
WithoutBook LIVE Mock Interviews JCL Related interview subjects: 19

Interview Questions and Answers

Know the top JCL interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Total 20 questions Interview Questions and Answers

The Best LIVE Mock Interview - You should go through before interview

Know the top JCL interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

Search a question to view the answer.

Freshers / Beginner level questions & answers

Ques 1

What is JCL?

JCL stands for Job Control Language. It is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem.

Example:

//JOBNAME JOB ...,CLASS=A,MSGCLASS=X
Save For Revision

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful?
Add Comment View Comments
Ques 3

Explain the function of DISP parameter in JCL.

DISP (Disposition) parameter is used to specify what should happen to a dataset after the job step completes, such as DELETE, KEEP, or CATLG.

Example:

//OUTPUT DD DSN=OUTPUT.FILE,DISP=(NEW,CATLG,DELETE)
Save For Revision

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful?
Add Comment View Comments
Ques 4

What is the purpose of the SYSOUT parameter in JCL?

SYSOUT is used to specify the destination for the system output produced by a job step, such as a printer or a dataset.

Example:

//STEP1 EXEC PGM=XYZ,SYSOUT=A
Save For Revision

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful?
Add Comment View Comments
Ques 5

What is the significance of the NOTIFY parameter in JCL?

The NOTIFY parameter is used to specify the user who should receive job completion or error messages. It is used for notification purposes.

Example:

//JOBNAME JOB ...,NOTIFY=USERID
Save For Revision

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful?
Add Comment View Comments
Ques 6

What is the purpose of the MSGLEVEL parameter in JCL?

The MSGLEVEL parameter is used to control the amount of system messages written to the job log. It can be set to options like (1,1), (1,2), (2,2), etc.

Example:

//JOBNAME JOB ...,MSGLEVEL=(1,2)
Save For Revision

Save For Revision

Bookmark this item, mark it difficult, or place it in a revision set.

Open My Learning Library
Is it helpful?
Add Comment View Comments

Most helpful rated by users:

Copyright © 2026, WithoutBook.