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 improvement to COND= in the latest version of MVS?

3 7677

What is the purpose of the PARM keyword in the EXEC statement?

3 9385

What is the purpose and meaning of the REGION keyword and what JCL statement is it associated with?

IBM,

3 28236

What is the purpose and meaning of the TIME keyword and what JCL statement is it associated with?

1 5864

What is the meaning of data definition name (ddname) and dataset name (dsname) in the DD statement?

2 9383

How is the keyword DUMMY used in JCL?

4 12683

What does the keyword DCB mean and what are some of the keywords associated with it?

ITC Infotech,

3 9635

What is the difference between BLKSIZE and LRECL?

3 17274

Can you execute a PROC from another PROC?

Keane India Ltd,

8 28538

What will happen if you attempt to restart a job in the middle of a JCL // IF .... // ENDIF?

4 10589

How many positional parameters are there in job statement?

4 15992

What are three parameters you can specify on Job statement as well as on exec stmt ?

1 7166

How can you trap abends in the JCL?

3 16089

How do you restart a step in JCL?

HSBC,

12 95131

How do you pass parameters to the program as the job is being executed ?

2 7156

Un-Answered Questions { IBM MainFrame }

What is an in line perform? When would you use it? Anything else you wish to say about it.

1076

Define RCT.

1213

What is db2 catalog database?

1043

Is their any set of rules for dd? Explain.

1194

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?

905

What is reorg?

1161

Define psb?

1092

What is psbgen process?

1162

How do you write from PL/1 code to JCL?

2287

How many types of evaluate statements are available?

992

how do you reference the variable unblock file formats from cobol programs

1328

Explain difference between call and link?

1104

What is runstats utility in db2?

1020

what are the codes returned by the ams (access method services) command during the execution in vsam?

1289

how can we describe comp sync?

1041

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