According to the DSNDELETE command description in the user guide r12.5 second edition, page 422 the DSNDELETE command syntax is:
DSNDELETE SIMULATE,DSNAMES=,VOLUMES=,COPIES=,DATE=,LIST=,SCRATCH=,DELPROF=,SMSNOSMS,PRIMARY2=, NOVALIDATE
However, trying this command:
//SYSIN DD *
DSNDELETE
SIMULATE,
DSN=USERID.REPORT.JCL
returns an error:
DSNDELETE CMD00001
SIMULATE, CMD00002
ADSDM118 2003 COMMAND REJECTED - (SIMULATE, ) IS NOT A VALID COMMAND NAME
USERID.REPORT.JCL CMD00003
ADSDM117 2009 COMMAND REJECTED - COMMAND NAME (USERID.REPORT) IS LONGER THAN MAXIMUM NAME LENGTH OF ( 10)
Release : 12.5
Component : CA Disk Backup and Restore