File Write Permission Rules

Robert Claeson prc at maxim.ERBE.SE
Thu Feb 16 23:24:38 AEST 1989


In article <36398 at think.UUCP>, barmar at think.COM (Barry Margolin) writes:
> In article <502 at maxim.ERBE.SE> prc at maxim.ERBE.SE (Robert Claeson) writes:
> >it certainly makes more sense to have a "delete" attribute on a file,
> >which must be set in order for me to remove it.

> But since Unix allows a single file to be accessed using multiple
> directory entries, a single delete attribute isn't enough.  How would
> you specify that it is OK for anyone to remove some of the links, but
> not others?

> If you're going to allow multiple hard links, as Unix does, then it
> doesn't make sense for deletability to be a file attribute, it must be
> a link attribute.

Yes, why not? I know it would break a lot of existing programs, as well
as a re-design of the complete file system, but it's an interesting idea.



.
-- 
Robert Claeson, ERBE DATA AB, P.O. Box 77, S-175 22 Jarfalla, Sweden
Tel: +46 (0)758-202 50  Fax: +46 (0)758-197 20
EUnet:   rclaeson at ERBE.SE               uucp:   {uunet,enea}!erbe.se!rclaeson
ARPAnet: rclaeson%ERBE.SE at uunet.UU.NET  BITNET: rclaeson at ERBE.SE



More information about the Comp.unix.questions mailing list