JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG


3 7925

What is a Generation Data Group (GDG)?

2 5191

How is a GDG base created?

4 16267

What is model dataset label(Model DSCB)?

1 16941

How are GDGs concatenated?

1 8014

How is a new GDG coded?

2 5351

When should DISP=MOD is used?


6 30269

How is a dataset passed from one step to another?


2 7644

How are datasets concatenated?


2 7121

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

3 22173

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

1 7497

What is primary allocation for a dataset?

4 7739

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

8 29935

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

2 11725

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

3 8800

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Un-Answered Questions { JCL }

how to compare two datasets without using superce because output is limited to 133 bytes


I have 5 steps in my jcl ,I need to execute first three steps and then 2nd step again ,4th and 5th steps if rc of 2nd step is zero


what type of version is we r using now real time in all modules(cobol, jcl, cics, db2, vsam)?


My Question is 1. How to cound no. of records in JCL. Please explain with an example. 2. How to execute only odd steps in JCL? I know EDIT TYPE = Inculde, Step Name = 1,3,5 and COND code for all even step. Anyone knows other than this.


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


We can use PASS with permanent datasets also. THEN Which is the condition in which we may use PASS (instead of KEEP) with permanent data sets, while there is no need to specify UNIT and VOL for them like temporary data sets (in cas we use KEEP for permanent data sets) ?


Matching Logic in Jcl not in cobol.Could any one please answer this question


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Can anybody tell what is tool used to generate the list of PROCS used in JCL to generate a PROCTREE


I have a cobol db2 program(PGM A) where other program (PGM B) will call this program and passes some 50 fields data to PGM A. PGM A has some layout in which it receives the data from PGM B. And this layout has been copied in the linkage section pf PGM A. After getting the data, PGM A writes the data in a flat file in the same layout which it receives from PGM B. PGM B is a simple COBOL pgm. Please provide a JCL to run these programs.


How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.


Is there any command to check wether the ps file is in sorted order?


why should SYSIN DD * statement should not be included inside a PROCedure snippet??? please answer this.. i need to know.


what is the compile process of cobol program expalin with code


can any one plzzzzzz tell the jcl code for creating ps using idcams