IBM MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

REXX (60)
Assembler (68)
CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

What is the compute verb? How is it used?

1140

Explain the configuration section of a cobol program with examples of syntax.

1195

Write a program to explain size error.

1196

What are the various section in data division and briefly explain them.

1174

explain sorting techniques in cobol program?

1197

Explain about different table spaces.

1093

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1089

How are the next sentence and continue different from each other?

1291

how do you reference the esds vsam file formats from cobol programs

1211

What is the problem of ordered sequential files access?

1159

Write the code implementing the perform … varying.

1060

how do you reference the variable block file formats from cobol programs

1247

how do you reference the printer file formats from cobol programs

1217

How to remove the spaces at the end of each record in the output file of variable length, via cobol program?

1167

Discuss about changing dataset name in proc.

1233

Un-Answered Questions { IBM MainFrame }

Explain the function of the steplib dd statement?

1130

At what point are extension eliminators mandatory?

1001

Explain the difference between local and central version operating modes?

832

List out the three types of page locks that can be held.

1147

how can we repair a soc-7 error?

1031

Tell me what type of files we can process thru file-aid?

936

how could you write a program in a structured format?

992

In COBOL, what is the different between index and subscript?

1243

Explain the difference between a return with transid and xctl? For example program. A is issuing return with transid to program b. Program a. Is isssuing xctl to program b?

1046

What is multithreading in jcl?

1462

Is automatic restart possible in jcl? If yes, how?

1114

What is cobol db2?

996

Explain how do you establish a starting position in a browse operation?

1063

How can we retrieve the total number of records in RPG & CLLE?

652

Can you define mdt?

1083

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