The Revoke Duplicate IFS Authority command checks or revokes duplicate
authorities to the *PUBLIC user of IFS objects. You must first run CVTIFSAUT to
create an outfile of authorizations. If the authorization for a user is the
same as the *PUBLIC profile, it is considered a duplicate (except for the
owner). If the *PUBLIC user is specified as *AUTL, the authorizations from the
*AUTL are used.