IBM Natural Question:
How to receive data passed through JCL parm parameter in a Natural program? How Data definition is defined in the program?

Answers:
Answer #1
Normally in JCLs calling natural program, data is passed
using some control cards. In the natural program, the data
is received in the same order using INPUT statement similar
to STACK processing.
Data definition in Natural is done using following:
DEFINE DATA
1 #VARIABLE1 (A10) /* Alphabetic variable of length 10
..
..
END-DEFINE
Normally in JCLs calling natural program, data is passed
using some control cards. In the natural program, the data
is received in the same order using INPUT statement similar
to STACK processing.
Data definition in Natural is done using following:
DEFINE DATA
1 #VARIABLE1 (A10) /* Alphabetic variable of length 10
..
..
END-DEFINE
Answer #2
input statement
input statement