JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG


3 10556

What is a Generation Data Group (GDG)?

2 6460

How is a GDG base created?

4 18600

What is model dataset label(Model DSCB)?

1 19079

How are GDGs concatenated?

1 10134

How is a new GDG coded?

2 6605

When should DISP=MOD is used?


6 35766

How is a dataset passed from one step to another?


2 9955

How are datasets concatenated?


2 8835

What is the difference between the JOBLIB and the STEPLIB statements?

3 27441

Name some of the JCL statements that are not allowed in procs.?

1 9638

What is primary allocation for a dataset?

4 9198

What is the difference between primary and secondary allocations for a dataset?

8 34180

How many extents are possible for a sequential file ? For a VSAM file ?

2 13615

What does a disposition of (NEW,CATLG,DELETE) mean?

3 11442

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Un-Answered Questions { JCL }

when does a dataset go uncataloged?


The disp in the JCL is MOD and the program opens the file in OUTPUT mode. What happens ? The disp in the JCL is SHR and the pgm opens the file in EXTEND mode. What happens ?


what is use of dcb parameter in dd statement?


how you will define a temporary dataset in jcl?


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which parameter is use to declare the name of dataset in dd statement?


What happens if both JOBLIB & STEPLIB is specified ?


I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?


What does it mean by Restart and Checkpoint in JCL ? How are checkpoints being taken and what is their usage ? How to use Checkpoint macro on a JOBSTEP ?


how you can access an uncataloged dataset in a JCL?


How to remove the spaces at end of each record in the output file Via COBOL program? note: The file has a VB length ----TRY


in ways data can be passed to a COBOL program from JCL?


how JCL works?


hello friends ,i have exam in Hsbc,pls any on send me placement papers and technical questions on mainframes,thank u


what EXEC statement is and what is the syntax of EXEC statement used in JCL?