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

have in 100 records in a file i want to move only matched records to one output_file1 and nonmathed records are moved to another output_file2 ... any one can provide logic code

3 10004

01 A. 10 B pic X(10). move spaces to A. move spaces to B. output in A & B

Perot Systems,

2 6244

how to unload different table data into different gdg files/ vsam files.

3 10086

I have a file it contain 10 records.i got abend at 8th record because of soc7.how do you know that perticular record got abend?

IBM,

3 11996

Difference b/w Error and abend in COBOL

HP,

2 6701

In JCL..for TIME Parameter was specified both JOB & STEP..which one is overrides

Satyam,

6 18820

looking at the basic definition of VSAM file how to recognize whether it is a KSDS OR RRDS OR ESDS ?

IBM, Infosys,

2 10345

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2510

i have job card like this //job ***** //step1 exec pgm=iebgener //sysut1 dd dsn=main.sss,disp=shr // dd dsn=main1.sss,disp=shr // dd dsn=main2.sss,disp=shr //sysut2 dd dsn=out1.mmm ,disp=(new,catlg,delete) dcb=( ) // sysin dd * like this what i have to do to skip dsn=main1.sss please giveme answer asap

IBM, TetraSoft,

2 7635

What is 66 level number and where it is used in real time by software developers?

ITC Indian Tobacco Company, TCS,

2 8461

If a job has 3 steps and step 1 and step 3 should get executed and step 2 should not get executed irrespective of the return code from the previous steps. How can it be done?

TCS,

5 11551

If i got a job on mainframe technology, will i have a bright future?. Some people are discouraging me. Let me know, is it true? Please bring back me from the confusion.

2 6192

How much salary you are expecting? If they ask in an interview, what we have to tell?

Tech Mahindra, Wipro,

6 18513

10. Why mainframe testing is so important? Give any three advantages of Mainframe Testing?

3559

At what stage, operator can change the class and priority of a submitted job?

2 5705

Un-Answered Questions { IBM MainFrame }

What is the main purpose of having user catalog in vsam?

1056

How to rename a table in DB2 ?

1086

What does "using" do?

1050

Have you caused any huge mistakes for the bank?

928

Explain the logical message in cics?

1019

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

1195

Highlight all the advantages that are attached to a package.

1113

ther r 2 tables OTTABLE & SALTABLE, add the otamt from OTTABLE to empsal of SALTABLE if eid is matched else add the unmatched from OTTABLE to SALTABLE

2066

If an array is multi-dimensional dynamic array how do you deal with it & provide me some examples?

2442

What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

8756

What are hierarchy levels in jcl?

1520

What is meant by an AICA ABEND?

1164

What is meant by a ‘Transid’ ?

1051

How can a stopped job be started again?

1189

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1139

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