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

What are the kinds of job control statements?

3 8005

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

1 7449

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

1 5040

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

2 5842

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

2 9295

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

2 12569

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

2 13643

What is RESTART? How is it invoked?

HSBC,

8 23537

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

3 9646

Explain concatenating datasets?

CTS,

2 9950

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

2 9299

What is MOD and when would you use it?

3 7452

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 8884

How do you designate a comment in JCL?

1 9369

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

2 6011

Un-Answered Questions { MainFrame }

How can we read file using curser? how to define a curser?

1312

Explain storage architecture of idms.

844

What is cics load command?

1070

define the purpose of the *cat function?

1673

How is next sentence and continue different?

982

whats the diff bw the evaluate also and and?

2342

Can you define an alias?

963

What is an instance database?

1052

How can the firstname and the lastname from the emp table be concatenated to generate complete names?

1278

How do I remove a flag or check no. or name when a user opens too many sessions?

2207

What is the difference between version control and debugging tools?

1050

How do you handle exception in PL/1?

1662

what is subfile?

1593

Which statement is used to identify the private libraries in job?

1185

How to write record if no field or the field are different in physical file in rpgle ?

965

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