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

Suppose, file A has 100 records and file B has 500 records. We want to write records common to both A and B into file C and records which are present only in either A or B into another file D. What should be the logic of Cobol program to achieve this?

Bank Of America, Mind Tree,

7 18557

How to execute only th 15th step of JCL consisting of 50 steps?

Bank Of America,

12 38957

In JCl which of this activities get executed if act002 abnormally terminates //job001 job ......... //act001 exec pgm=cobo01 //act002 exec pgm=cob02, cond=(01,le) //actoo3 exec pgm=cob03, cond=only //actoo4 exec pgm=con04

Patni,

3 7678

How many times the loop runs here 01 a pic 9(2) value 10. perform para1 a times stop run. para1: move 20 to a.

3 7325

How many times the loop runs here 01 a pic 9(2) value 1. perform para1 until a=10 move 1 to a. stop run. para1: move 10 to a.

5 8190

How Vsam was evolved? What was the equivalent file for ESDS,KSDS and RRDS prior to evolution? What were their disadvantages of those file which leads to evolution of ESDS,KSDS and RRDS files ?

1 5350

diffrence between z(2) and z9(2)

Cap Gemini,

4 23787

what are the technical terms for // /* in jcl

Cap Gemini,

3 8695

9(2).99 how many bytes take? Why . consider as a byte?

2 7772

what is difference between the sysabend and userabend?

2 7850

which one is the best of com and com-3.using of real time ?

Cap Gemini,

7 13358

hai this ravi, i completed my mca in 2009, i learnt .net course, i hav been looking for a job on .net, now i would like learn ibm mainframes to get job immediatly,is it correct decision? basically am not sound in programming,what about unix adminstration plz help me to take correct decision,which is the best course now to get the job immediatly

2 4372

where do u use low-value and high value in cobol

CGI,

3 23760

how can u redefine picx(10) with pic 9(6).

TCS,

3 10340

i just need the first and last record from a sequencial file?how

2 16350

Un-Answered Questions { IBM MainFrame }

Define buffer pool.

1107

State all the file open modes?

1131

Explain how would you resolve an asra abend?

1055

Define the term function request shipping?

1073

Are you comfortable in cobol or jcl?

1097

if we display var1 then what will b displayed in below condition. 77 var1 pic s9(2) value -10. 77 var1 pic s9(2) value -11. " " " -12. " " " -13. -14 ... ... -19.

6682

What is the difference between perform … with test after and perform … with test before?

1504

Kindly specify the pic clause for the hhmmss type of data fields?

1124

What os does db2 run on?

1052

how can you copy to a vsam cluster?

1217

What is the difference between fixed length and variable length records?

938

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

2119

What is plan in cobol db2?

1213

What is a mainframe?

1031

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

1518

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