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

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

IBM,

1101

how can you copy to a vsam cluster?

IBM,

1143

what do you mean by a shareoptions parameter (shr) in define cluster command?

IBM,

1302

what do you mean by the repro command?

IBM,

1094

is it slower if you access a record through alternative index as compared to primary index?

IBM,

1 2645

what does a file status of 02 on a vsam signifies?

IBM,

1176

to use the rewrite command, how should the vsam file be opened?

IBM,

1306

in a cobol select statement, can you tell what is the organization for a ksds?

IBM,

1110

is oorexx compatible with rexx?

IBM,

940

how long does the install of oorexx take?

IBM,

1001

can I port my existing applications from the mainframe or os/2? Will there be extensive changes required to do this?

IBM,

975

can oorexx run ibm object rexx programs?

IBM,

1005

what is uni-rexx?

IBM,

984

is there an aix version of oorexx?

IBM,

988

what would I use uni-rexx for?

IBM,

946

Un-Answered Questions { IBM MainFrame }

State all the file open modes?

1062

what is the meaning of a (new, catlg, keep) disposition mean?

1016

What is the syntax of JCL statement?

1230

Explain the usage of language in the ppt entry?

984

What is ibm db2 database?

998

Explain the system transid cemt?

1090

what is use of linkage section?

1084

What is dbkey?

872

I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one

2445

how can we describe comp sync?

1037

Define cebr?

1099

what sort card you will use to copy the data from one dataset to another dataset?

1218

how do you round the addition or subtraction of two numbers in assembler? what does the following code do? change process tool(code changes from dev to prd) the changes made to your code should be effected in live. How the process takes place. That is how can you move the code changes from development to production?

1118

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

2442

difference between tsq and tdq?

1209

For More Un-Answered { IBM MainFrame } Questions Click Here