Roland Mainz <roland.mainz at nrubsig.org> wrote:
> > > How common are the XATTR extension, e.g. is there any other OS which
> > > supports this feature+userspace API ? Is there any other shell which
> > > supports "cd -@" ?
> >
> > Currently only Solaris supports it but other OS are underway to implement
> > full
> > NFSv4 support which usually includes XATTR support.
>
> Is the XATTR userspace API some kind of standard (UnixXXX or something
> like that) ?
It isn't, but it mey become a defacto standard after NFSv4 is implemented at
more than one place.
Unfortunately the main reason that prevents the Sun interface from becoming a
standard is the fact that Sun did not define usage rules. If Sun did, then
there was a chance that the proprietary extended attibutes from Linux and
FreeBSD could go away.
Note that this is important from the viewpoint of an implementor of a portable
backup tool like star.
J?rg
--
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