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

What is the abend command?

1033

Explain how many conditions can you include in a single handle condition command?

1034

Explain the difference between a symbolic map and physical map?

1037

Name the command used for terminating a browse operation?

1029

Explain the difference between and exec cics xctl and an exec cics link command?

1118

Mention the option used in a cics command to retrieve the response code after execution of the command?

1107

Explain how do you handle errors in cics programs?

987

Explain how do you set the mdt option to on status, even if data is not entered?

1102

Define an asra abend?

1080

Name the command which is used to release a record on which exclusive control is gained?

1017

Explain how do you access storage outside your cics program?

970

What is frset?

1032

What are the common cics service programs and explain their usage?

1033

What is the meaning of the enq command?

1089

What is the comaera?

1259

Un-Answered Questions { IBM MainFrame }

What is idms-restart ?

1487

Can I combine uni-REXX with a compiled language in my application? What application programming interfaces are available? For example, can I share variables between uni-REXX and a compiled language?

907

What is cobol coding sheet?

1238

Can you explain common systems area?

1106

What is the device independent method to indicate where a record is stored?

1049

What is db2 bind?

1085

How to read the 2nd last record of a VSAM file? (The file size is huge and we don't know the key)

3263

Explain the processing modes available in ims db?

3630

When reorg is used?

1130

What is the use of access method services in vsam?

1060

what is the other verb for release and write ?

1006

Define concatenating?

1105

Why is it required to have a keyed directed retrieval?

1025

How does db2 sample database connect?

1034

If we wish to create bms executable, what are the basic steps that the user has to go through?

1087

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