JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG


3 9133

What is a Generation Data Group (GDG)?

2 5781

How is a GDG base created?

4 17316

What is model dataset label(Model DSCB)?

1 17906

How are GDGs concatenated?

1 8999

How is a new GDG coded?

2 5897

When should DISP=MOD is used?


6 32867

How is a dataset passed from one step to another?


2 8606

How are datasets concatenated?


2 7907

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

3 24835

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

1 8525

What is primary allocation for a dataset?

4 8360

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

8 31925

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

2 12565

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

3 9740

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Un-Answered Questions { JCL }

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


is there any way to execute more than one proc in the same exec statement at the same time..?


what is the resolution for sb37 error


Name a few IBM utility programs, and explain its function.


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


have in 100 records in a file i want to read first 3 records and skip next 3 records and agan i want to read 3 records and again i want to skip 3 records... run a loop from record one to 10 evaluate i/3 if comes even then skip else write to output file


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


Mainframes gets a text file that contains the name of the file. Now using JCL i want to locate that file name in the mainframe system and perform further processing. Please tell how to proceed


I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one


how to run batch program without jcl?


How to code these statements in JCL: CLEANUP INITIAL(NO) RESTART(NO) DYNALLOC(NO) job definition..?


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


I want to JCL sort for Non-COMP and COMP-3 fields SORT FIELDS=(1,5,A,6,11,A,12,11,A,19,1,A,20,1,A),FORMAT=BI,EQUALS Length of comp bytes is 11 bytes which start at 6byte and 12 byte considering 11 bytes in comp-3 is 6 bytes. Can anyone tell if the above sort work SORT FIELDS=(1,5,A,6,6,A,12,6,A,19,1,A,20,1,A),FORMAT=BI,EQUALS does not works OK


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) ?


Explain about LMFREE�free data set from its association with data ID