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

Name some of the JCL statements that are not allowed in procs.?

1 16008

What is primary allocation for a dataset?

4 15250

What is the difference between primary and secondary allocations for a dataset?

8 48762

How many extents are possible for a sequential file ? For a VSAM file ?

3 18790

What does a disposition of (NEW,CATLG,DELETE) mean?

3 19894

What does a disposition of (NEW,CATLG,KEEP) mean?

Cap Gemini,

1 13309

How do you access a file that had a disposition of KEEP?

3 19215

MOD, DELETE; What does a disposition of (,DELETE) mean ?

3 12099

What is the DD statement for a output file?

3 10155

What do you do if you do not want to keep all the space allocated to a dataset?

2 7048

What is DISP= (NEW,PASS,DELETE)?

HCL,

3 32314

How do you create a temporary dataset? Where will you use them?

IBM,

2 22902

How do you restart a PROC from a particular step?

5 43245

How do you skip a particular step in a proc/JOB?

CSC, CTS,

5 30958

A PROC has five steps. Step 3 has a condition code. How can you override/nullify this condition code?

IBM, Wipro,

5 39706

Un-Answered Questions { MainFrame }

how can I control the way a remote browser uses its cache?

1210

How does a cursor work?

985

A join logical file has how many record formats?

1119

Can we delete records from view?

967

how would find total records in files using sequential?

984

What is the cobol picture clause of the db2 data types date, time, timestamp?

1066

Explain the purpose of the program list table?

992

What is link edit in cobol?

1195

what is search and searchall?what is the diffrence between them?give an best example?

6824

How many minimum number of line codes does PL/1 DB2 program requires?

2983

what does a file status of 02 on a vsam signifies?

1178

Can anyone provide me the source code for LOC(lines of code) counter written in REXX language which can run on IBM mainframe z/OS V1R4. The LOC counter should be able to count the comments,lines of code,blank lines in a COBOL program and JCL's

2670

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1355

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

1831

how can you prevent more than one user from accessing the same transient data queue?

1087

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