JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG

IBM,

3 8457

What is a Generation Data Group (GDG)?

2 5447

How is a GDG base created?

4 16731




What is model dataset label(Model DSCB)?

1 17368

How are GDGs concatenated?

1 8462

How is a new GDG coded?

2 5596

When should DISP=MOD is used?

TCS,

6 31347

How is a dataset passed from one step to another?

DELL,

2 8053




How are datasets concatenated?

CitiGroup,

2 7429

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

3 23219

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

1 7910

What is primary allocation for a dataset?

4 8024

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

8 30849

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

2 12087

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

3 9156


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Un-Answered Questions { JCL }

how to run batch program without jcl?

6956


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

4115


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

1106


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) ?

942


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

1170






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

1054


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

460


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 ?

7062


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

532


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

834


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?

1085


what are the types of abends that occur on job failure? And explain the possible causes of these

281


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?

978


IIN APITUDE THEY GAVE ONLY 10 QUESTIONS.. THEY ARE SIMPLE ONE FROM NUMBER SERIES,BOATS,TIME & DISTANCE,PROFIT &LOSS,FIND OUT THE NUMBER ? 9 25 4 36 81 64 49 AND surveillance SPELLINGS E.T.C

685


What do we mean by 'Virtual storage' for a dataset and for a JOBSTEP ? What is the significance of the following statement for a programmer 'Virtual storage results in program addresses being independent of the addresses that actually exist in a computer' ?

755