No, you have to GET the header, edit it, and PUT it back to remove them
as an owner (or any other functionary, ie, editor).  The DELETE command
is strictly to remove the user as a subscriber.

On Fri, 6 Aug 1999 11:32:04 -0400 you said:
>Hi,
>
>If the following command is executed (which deletes
>a user from all lists), will it also remove the user
>from list headers if the user is a happens to be
>an Owner?
>
>        quiet del * [log in to unmask]
>
>We use Listserv in our company for internal mailing
>lists and allow different groups to control their
>own email lists.
>
>However, if an employee leaves the company, we
>want to remove them from Listserv completely
>(no matter whether they are a list subscriber and/or
>owner).  If the above command won't do this, then
>what will?
>
>Thanks.
>
>Paul Franco