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

How do I access data in control blocks such as jobname?

1 8167

How do I access data held on the JES spool?

TCS,

3 19164

What do unusual return codes such as -3 and 0196 mean?

2 9072

How do I pass parms to my ISPF Edit macro

Wipro,

2 16574

what is swap-in and swap-out? What is address space in MVS? What is the size of the address space in KBs for 16 bit address space?

HCL, IBM,

12 56280

I WORKING WITH VSAM AND CICS WHEN I AM DEFINING MY FILE IN THE FCT .I GOT ERROR LIKE "CDS IS FULL". WHAT ITS MEAN

Keane India Ltd,

4 14458

I have TSO dataset profile set to automatic recovery on. After the system disconnects unexpectedly, when I log back on to TSO, I receive an error every time I go into edit with 'automatic recovery' in the title. The options are 1.) enter 2.) end 3.) defer 4.) cancel. No matter which option I choose, I am thrown back into the 'automatic recovery' screen the next time I go into edit on any dataset. How do I get the message to go away?

5 15752

How to convert bunch of words in a line to relvant ASCII values?

2 5671

How to covert given string into ASCII value in COBOL/MF COBOL

CTS, IBM, iFlex,

3 15103

How to delete a front spaces in a data-name/variable in cobol Example:- 01 data-name-1 PIC x(20) value " cobol language". 01 data-name-2 PIC x(20). MOVE data-name-1 to data-name-2. would like the value of data-name-2 is "cobol language".

3 8363

Please let me know how the Eject verb works for page break.. I want to know the code, how it is used.

3 7503

Can anyone tell me the syntax for printing two files at two different destinations in a single step?

3 8277

How to delete leading spaces/blank in COBOL ? Example:- 01 data-name-1 pic x(220) " English is a language". I would like to delete leading spaces.

Financial Services,

7 78054

Wat is the difference between NEXT and CONTINUE statement in cobol,can any one explain with example.

Deloitte,

11 59603

In my job I have 6 steps. Step01,02,03...step06. after executing step02 i want to skip step03 and want to execute step04. and once step04 is done then I want to go back and execute step03. once step03 is completed I want execute step05, 06 and so on... can any one tell me how do i do that???

Perot Systems,

10 20311

Un-Answered Questions { IBM MainFrame }

explain in brief what are the 3 types of vsam files?

1113

What are packages in db2?

1028

Write a cobol program making use of the redefine clause.

1191

Explain how do you handle errors in cics programs?

992

Can I cleanly uninstall oorexx?

974

What is jcl in mainframe, and how many types of jcl statements are there for a job?

1204

) what is the difference between AID and HANDLE AID?

2164

What is the purpose of dd?

1250

Explain difference between read(1) and read work file once?

973

Explain ceci transaction commands?

1039

What is the use of runstats in db2?

1115

Following a db2 update statement, what is the quickest way to compute the total number of updated rows?

1088

What is the function of a dd statement?

1218

What is the cobol picture clause of the db2 data types date, time, timestamp?

1072

Why is master catalog used in vsam?

1127

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