Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

Explain difference between escape(top or bottom) and escape immediate(top or bottom?

Explain how to ftp the natural program to desktop? (From mainframe to pc), is it possible?

Tell me what type of files we can process thru file-aid?

What is a hyperdescriptor?

Explain how many work file we can code in jcl?

What is the difference between read work file 1 and read work file once? Why we are using work file once?

Explain the address converter?

Explain the like inverted list?

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

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

Explain control variable in online screens?

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

Explain the data storage?

What is the difference between read(1) and read work file once?