JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG


3 9738

What is a Generation Data Group (GDG)?

2 6055

How is a GDG base created?

4 17810

What is model dataset label(Model DSCB)?

1 18320

How are GDGs concatenated?

1 9406

How is a new GDG coded?

2 6172

When should DISP=MOD is used?


6 34100

How is a dataset passed from one step to another?


2 9074

How are datasets concatenated?


2 8257

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

3 25924

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

1 8968

What is primary allocation for a dataset?

4 8668

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

8 32758

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

2 12955

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

3 10358

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Un-Answered Questions { JCL }

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


I have 60 steps in the JCL and want to Execute Only First from PROC by overriding in JCL ?


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


i want to store 20 digits . how will u do it in cobol ?


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 timing concept in mainframe?


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


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 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 ?


What is the job entry system used in your project? based on what criteria the sequence of jobs are picked if priority is not mentioned in the job card?


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


Suppose there are 2 Input files Infile-1 and Infile-2. Both the Files contain Employee Records. You need to compare both the files and Write the Common Records in third file named Outfile. How can we do this using File-Aid?


by using cond parameter maximum 8 cond can be coded in single cond means ?explain


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