JCL Interview Questions
Questions Answers Views Company eMail

What is a GDG


3 8858

What is a Generation Data Group (GDG)?

2 5639

How is a GDG base created?

4 17068

What is model dataset label(Model DSCB)?

1 17709

How are GDGs concatenated?

1 8808

How is a new GDG coded?

2 5772

When should DISP=MOD is used?


6 32275

How is a dataset passed from one step to another?


2 8419

How are datasets concatenated?


2 7741

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

3 24219

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

1 8302

What is primary allocation for a dataset?

4 8234

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

8 31532

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

2 12380

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

3 9478

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Un-Answered Questions { JCL }

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


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 ?


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


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


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


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) ?


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


I need exexution process for JCL programs


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


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


What is timing concept in mainframe?


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


whats the diff bw the evaluate also and and?


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.


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