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 are the kinds of job control statements?

3 8020

What is the meaning of keyword in JCL? What is its opposite?

1 7453

Describe the JOB statement, its meaning, syntax and significant keywords?

1 5051

Describe the EXEC statement, its meaning, syntax and keywords?

2 5860

Describe the DD statement, its meaning, syntax and keywords?

2 9314

What is a PROC? What is the difference between an instream and a catalogued PROC?

2 12583

What is the difference between a symbolic and an override in executing a PROC?

2 13659

What is RESTART? How is it invoked?

HSBC,

8 23578

What is a GDG? How is it referenced? How is it defined? What is a MODELDSCB?

3 9673

Explain concatenating datasets?

CTS,

2 9968

What is the difference between specifying DISP=OLD and DISP=SHR for a dataset?

2 9313

What is MOD and when would you use it?

3 7470

What are the keywords associated with DCB? How can you specify DCB information? What is the OS precedence for obtaining that DCB information, ie. where does the system look for it first?

2 8902

How do you designate a comment in JCL?

1 9392

What is the meaning of the EXEC statement keyword, COND? What is its syntax?

2 6025

Un-Answered Questions { IBM MainFrame }

Explain the system transid cemt?

1115

What is the difference between version control and debugging tools?

1065

how do we describe cataloged procedure and an instream procedure?

1088

What is the best way to code to provide me the info that there are disks in the array failing or failed? How to code? Run in batch?

812

Which is the difference between delimited by size and delimited by space?

1101

Describe the cobol database components?

1185

Explain dfsort utility?

1350

What is package in cobol db2?

1122

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

915

What are the ways fot initiating a transaction?

968

the dfhcommara is used to pass information from one application to another. What are some other ways that this function can be accomplished?

1158

What is the use of commit in db2?

1087

How can a jobs execution priority be modified?

1302

How do I delete a column in db2?

1115

how do you intitiate another transaction?

1184

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