Default database / namespace

[Bill Frantz]

At 09:42 PM 7/8/00 -0400, Jonathan S. Shapiro wrote:
>> It should also be noted that this directory structure was not
>> hierarchical, and directories did not have a .. entry.
>
>While a KeyKOS directory is not hierarchical, one could store a capability
>to a directory under a name in a conceptual parent directory. It's just that
>the directory itself didn't know about this usage.
>
>Norm Hardy and I had a discussion a couple of years ago in which we ended up
>deciding that a hierarchical directory would be a useful thing to have.

I don't remember any case of a KeyKOS directory having a .. entry.  IMHO,
being able to go up the hierarchy is a key part of a hierarchical directory
scheme, and also the most problematic from a security point of view.