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

Is it possible start a transaction CICS from job Batch? How do it?

CSC,

5 15538

How do you find which GDG is using which dataset?

Patni,

3 8948

What is Uncatalog dataset? How can we access/use them?

1 24917

WHAT WILL HAPPEN TO A FILE IF DISP=(MOD,DELETE,DELETE)

ADP,

8 50449

in cobol i have one file it contains records like 10,4,23,98,7,90..... total records 100. iwant 10 to 20 in reverse order in cobol environ ment any one please give the answer......

IBM,

2 6673

how many divisions are there in cobol

ADP,

3 8449

how many bytes does s9(7)COMP-3 field occupies?

ADP,

6 26026

The below is the declaration for a variable ws 01 ws pic 9(3). if you want to insert space how will you do that. in which level u should do it

ADP,

3 7357

how will u retreive value from a table.write it with syntex. 01 ws-table 05 ws-table1 occurs 10 times. 05 ws-table2 occurs 10 times. the above is 2 dimensional array..how will u retrieve 1st element of an array

ADP,

3 7980

wt will happen to the step of a job if u code COND=ONLY

ADP,

5 9435

If your job fails at particular step then what would be the return code for next steps

ADP,

3 8311

what is the function of iebcompr?....is it compare record length or characteristics of a dataset?...pls explain with examples.......

2 10638

how to solve u4038 abbend?........

Atos Origin, TCS,

3 27001

when you will get abend U0077?

CSC,

2 19874

HI THIS IS ANIL. HOW TO PASS A RECORDS OF A FILE(PS OR PDS) TO AN ARRAY?

2 5663

Un-Answered Questions { IBM MainFrame }

Explain the primary function of the processing program table (ppt)?

987

Name a few CICS programs which are generally used ?

1044

What is a hyperdescriptor?

932

Explain the function of entry-sequenced data set?

1027

how do you intitiate another transaction?

1167

How do you differentiate between cobol and cobol-ii?

1204

Explain packages.

1107

what is DSN parameter and DISP parameter is used for?

1142

How can we find that module can be called – whether DYNAMICALLY or STATICALLY?

1226

Can I cleanly uninstall oorexx?

958

How many types of evaluate statements are available?

988

What is a junction record?

1337

What is speed parameters in define cluster command?

1033

What is qmf?

958

Are there any set of rules for the names of the steps used in a job? What are they?

1069

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