VMS Help CMS, SET, ACL, Qualifiers, /LIKE=object-specification  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Indicates that the ACL of the specified object is to replace the
    ACL of the object or objects specified with SET ACL. Any existing
    ACEs are deleted before the ACL specified by /LIKE is copied.

    The type of the source and destination objects must be the same.
    No wildcard characters are allowed in the /LIKE parameter.