MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

Can we open close file in COBOL any number of times?

Kanbay,

2 14362

When we give TYPERUN = SCAN , what are the syntax errors we get?

Kanbay,

5 16421

What is maximum length of block size?

Cap Gemini, Kanbay, TCS,

5 23501

Can we use empty VSAM as input?

Convergys, Kanbay,

9 27163

01 A PIC 9. 01 B PIC 99V1. 01 C PIC 99. MOVE 1 TO A. MOVE 0.2 TO B. COMPUTE C ROUNDED TO 3/3 + A.

2 6977

What is the use of TRT instruction and how it is working?

HCL, IBM, Wipro,

7 34352

What is GDG and what is the maximum limit of versions that can be created?

Convergys,

9 49274

What is the use of the utility DFSRRC00 in the JCL?

Convergys,

2 38580

If there are five steps in a JCL i have to execute the 3rd step, bypass the 4th step and execute the 5th step how do i do this?

Cognizant, Convergys, IBM, TCS, Wipro,

13 73225

What is the use of DUMMY statement in the JCL? What is the use of DUMMY Utility in the JCL?

Convergys,

12 70223

what is the difference between the JCLLIB and JOBLIB ,and where do we use it ?

Convergys,

3 20031

Given a input file with duplicates how to remove the duplicate records from the file using JCL?

CDS, Convergys, TCS,

6 31950

What is the difference between START and XCTL? How do you determine when to use either option?

2 16902

how can we establish a link between two maps using a cobol application program....lets say how can u use 'back' in a map ..to come back on previous .

Attra Infotech,

5 16143

In the RECON, what always sets the IC NEEDED flag on for a registered DB?

3 7400

Un-Answered Questions { MainFrame }

How Many Specs Are There In Rpg & Which Are They?

1101

can we view the access paths created by dbrm ? how ? thx

7100

How you can characterize tables in cobol?

1203

Can we debug the MSGW JOBS?

1333

Kindly specify the pic clause for the any bll cell type of data fields?

1223

How do you concatenate the firstname and lastname from emp table to give a complete name?

1077

how to write code for singlepage in sqlrpgle with update ?

2823

How do we get current date from system with century in COBOL?

1381

Are you comfortable in cobol or jcl?

1049

Which division and paragraphs are mandatory for a COBOL program?

1278

How do you submit a job for execution?

1111

What are the different opcodes used for file operation on a subfile in a rpg pgm?

1834

What is FORMAT keyword and its use?

611

What is the result of open cursor statement?

1083

What is the function of the dd avgrec keyword in sms datasets?

1343

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