SYSOUT is the default ddname for the sort messages. I believe SYSOUT=* specifies the same message class found in the MSGCLASS parameter. (SYSOUT=A would specify message class A.)
Frank Yaeger - DFSORT Development Team (IBM) - yaeger@us.ibm.com Specialties: JOINKEYS, FINDREP, WHEN=GROUP, ICETOOL, Symbols, Migration => DFSORT/MVS is on the Web at http://www.ibm.com/storage/dfsort