What is a hyperdescriptor? How does it work?

How are you going to remove duplicates from the file that is being read?

What happens when you issue a escape routine in a program? Will there be any compilation /run time erro?

Explain the difference between external subroutine and subprogram?

Explain difference between read(1) and read work file once?

Tell me can we update with histogram?

How to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

Explain difference between read work file 1 and read work file once? Why we are using work file once?

Can you explain control variable in online screens?

What is the quality process in development?

Can we see the copy book length using file-aid?

Explain why do we use file-aid for seqential files?

How to find occurrence of mu and pe fields in a file?

What is cobol coding sheet?

Explain is it possible to code goto statement in natural? If yes please provide the syntax of the same?