SYSIN data set

Use with direct invocation only.
Accepts all DFSORT program control statements.
Ignores these OPTION statement parameters: EFS, LIST, NOLIST, LISTX, NOLISTX, LOCALE, MSGPRT, MSGDDN, SMF, SORTDD, SORTIN, SORTOUT, and USEWKDD.
Permits comment statements, blank statements, and remarks.
Can contain user exit routines in object deck format for binding or link-editing.