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

JCL Interview Questions

Questions Answers Views Company eMail

How to identify in JCL that an input file is empty without reading it?

L&T,

4 12220

I have two files each contains 10 records. I would like to copy both files into one output file but in alternate sequence. for e.g. first record from file1 then record 2 from file2.....

RBS,

3 13738

What is the exact difference between PRTY and DPRTY

iGate,

2 17797

How to send data from cobol program to jcl?

CSC,

2 10027

How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.

CSC, SPIC,

5603

Write a JCL by using the below requirement: File1 =1, File2 =11 and output needs to come as File3 =111?

Saggezza,

8 19893

When concatenating two PDS can any one PDS can have empty dataset i.e without any value(Dummy).

2 7203

Hi, all suppose i have 5 steps (S1,S2,S3,S4,S5) what will happen if cond is true or false (which of the other steps get executed)? 1) //s3 exec pgm=abc,cond=(0,le) 2) //s3 exec pgm=abc,cond=(0,le,step2) 3) In the jobcord RESTART=step3,cond=(0,le) 4) can i code COND=TRUE in jobcard, if yes what will happen?

TCS, Tech Mahindra,

3 9786

Hi, all Suppose i have 10 step in a job (s1,s2,s3,...s10) i want to execute step9 first and then step3 and i used the DPRTY for these steps. so what will happen to other steps? Will the get executed or only these two steps get executed?

2 7117

whats the diff bw the evaluate also and and?

CGI,

2422

what is mainframe?

CGI,

4 9515

diff bw vsam and normal flat file?

CGI,

2 16446

I HAVE A SEQUENTIAL FILE CONTAINING ONE RECORD IN WHICH I HAVE ONE FIELD AS CUSTOMER IDENTITY NUMBER FIELD WHICH IS A SIGNED FIELD. HOW TO SEQUENTIALLY INCREMENT THIS FIELD USING OVERLAY PARAMETER?.

1 5839

Name a few IBM utility programs, and explain its function.

5039

Is there any command to check wether the ps file is in sorted order?

IBM,

2964

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Un-Answered Questions { JCL }

What is jcl in mainframe, and how many types of jcl statements are there for a job?

1253

What is the maximum length of a single line of jcl?

1412

In job processing, what happens in conversion stage?

1243

Explain the purpose of dd dummy statement?

1277

How can a jobs execution priority be modified?

1347

How is the record format of an output dataset specified?

1208

Explain the function of dd disp parameter?

1178

What parameter of the job statement is used to limit the cpu time consumed by the job?

1339

What statement marks the beginning of a job step; assigns a name to the step; identifies the program or catalogued or in-stream procedure to be executed in the step?

1163

Which dd parameters are required?

1249

by using cond parameter maximum 8 cond can be coded in single cond means ?explain

1533

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

1427

Must tape dataset definitions include vol=ser specifications?

1788

What is NOTCAT ?

1384

Explain how can the disposition of sysout datasets be set for an entire jobstream?

1152

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