VMS Help SET, ENTRY, Qualifiers, /NODELETE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Cancels file deletion for a job that was submitted with the
    /DELETE qualifier. If you did not specify the /DELETE qualifier
    when the job was originally submitted to the queue, you cannot
    use the SET ENTRY command to establish file deletion at a later
    time. You cannot use the /NODELETE qualifier to cancel deletion
    of individual files in a multifile job.