Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

RECSIZE

The RECSIZE option specifies the length, n, of records in the data set.

Read syntax diagramSkip visual syntax diagram>>-RECSIZE--(n)------------------------------------------------><
 

For regional and fixed-length data sets, RECSIZE specifies the length of each record in the data set; for all other data set types, RECSIZE specifies the maximum length records may have.

The default for n is 512.

Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide