JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG

IBM,

3 10058

What is a Generation Data Group (GDG)?

2 6224

How is a GDG base created?

4 18109




What is model dataset label(Model DSCB)?

1 18607

How are GDGs concatenated?

1 9674

How is a new GDG coded?

2 6313

When should DISP=MOD is used?

TCS,

6 34745

How is a dataset passed from one step to another?

DELL,

2 9368




How are datasets concatenated?

CitiGroup,

2 8460

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

3 26504

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

1 9231

What is primary allocation for a dataset?

4 8852

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

8 33245

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

2 13193

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

3 10757


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Un-Answered Questions { JCL }

I have mainpgm(abc) this is the only cobol pgm(non-db2).And this pgm calling subpgm name "acd" this also only cobol(non- Db)and this pgm calling some other subpgm this pgm has cobol-db2 pgm. 1) IF you calling static mode how to run and how to compile? 2) IF you calling dynamic mode how to run and how to compile? plz suggestion me.

1131


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

501


//S10 EXEC PGM=ICETOOL //TOOLMSG DD SYSOUT=* //DFSMSG DD SYSOUT=* //CON DD DSN=VAR.INPUT1,DISP=SHR // DD DSN=VAR.INPUT2,DISP=SHR //OUT DD DSN=VAR.OUTPUT,DISP=(NEW,CATLG,DELETE), // SPACE=(CYL,(5,5)),UNIT=SYSDA //TOOLIN DD * * Splice the needed data from the two VB files together SPLICE FROM(CON) TO(OUT) ON(5,5,CH) WITHALL - WITH(12,5) WITH(22,20) VLENMAX /*

112


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) ?

1070


How to override loadlib?

570






what is the compile process of cobol program expalin with code

1039


How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

1304


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.

1288


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' ?

914


whats the diff bw the evaluate also and and?

1177


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

3155


Explain about LMQUERY�give a dialog information about a data set

140


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

101


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

4324


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

1440