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

Can you explain control variable in online screens?

1037

What is the quality process in development?

1156

Can we see the copy book length using file-aid?

969

Explain why do we use file-aid for seqential files?

1143

How to find occurrence of mu and pe fields in a file?

952

What is cobol coding sheet?

1306

Explain is it possible to code goto statement in natural? If yes please provide the syntax of the same?

1051

Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

1147

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1275

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

1177

Tell me what type of files we can process thru file-aid?

1007

What is a hyperdescriptor?

1007

Explain how many work file we can code in jcl?

1059

What is the difference between read work file 1 and read work file once? Why we are using work file once?

1034

Explain the address converter?

1066

Un-Answered Questions { IBM MainFrame }

What is multithreading in jcl?

1540

Define cobol coding sheet?

1067

What is the latest version of ibm db2?

1349

which parameter is used to check the syntax of a jcl without executing it?

1430

Can we delete records from view?

1035

What is scrollable cursor in db2?

1128

How many databases are there?

1117

what would I use uni-rexx for?

1021

Explain the difference between local and central version operating modes?

901

What is interval control?

1211

What are the advantages of a hierarchical database?

3356

What is the type of ppt in the cics?

1079

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1275

Explain the difference between a package and a plan.

1140

how you will the direct the data to spool using sysout option?

2491

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