JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG

IBM,

3 6650

What is a Generation Data Group (GDG)?

2 4615

How is a GDG base created?

4 15208




What is model dataset label(Model DSCB)?

1 15677

How are GDGs concatenated?

1 7014

How is a new GDG coded?

2 4855

When should DISP=MOD is used?

TCS,

6 27419

How is a dataset passed from one step to another?

DELL,

2 6680




How are datasets concatenated?

CitiGroup,

2 6483

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

3 19517

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

1 6723

What is primary allocation for a dataset?

4 7029

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

8 27251

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

2 10828

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

3 7958


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Un-Answered Questions { JCL }

Hello Guys, I have 1+ Year Experience in MAINFRAME TESTING. After 1 Week I have an Interview With a Company on Mainframe Testing. Please Could You Guys Please Suggest me What Sections Should I prepare ?? ___Tell Me the Topic Or Appropriate Site & Links. ?? ---------------Thank You

1227


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

2072


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.

571


how to run batch program without jcl?

6460


What is catelog procedure and how many catelog procedure to use in one job?

4232


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

2592


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

1000


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

760


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

672


what is the resolution for sb37 error

4600


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?

911


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) ?

778


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

1415


I HAVE A VB BLOCK WHICH IS USED AS INPUT IN COBOL CONATINING SOME RECORDS CAN I CHANGE THE FILE FROM VB TO FB?

954


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 ?

6348