in line perform is used when u r gaurenteed that the code inside the
scope of the perform is not used by any other .
ex. perform ... <until..>
AS i think u knw about perfom iam giving its details
INLINE Perform: When we r sure if the code is not repetitively used anywhere else in the program, then inline can b used
PERFORM UNTIL condition...
PERFORM: It is used when the group of code is used several times in the program.
PERFORM is advisable if there is repetition of code
PERFORM PARA-2 UNTIL condition