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Date:      Fri, 03 Jul 1998 12:11:39 +0200
From:      sthaug@nethelp.no
To:        lada@pc8811.gud.siemens.at
Cc:        hackers@FreeBSD.ORG
Subject:   Re: Variant Link implementation, continued
Message-ID:  <20545.899460699@verdi.nethelp.no>
In-Reply-To: Your message of "Fri, 03 Jul 1998 10:53:06 %2B0200 (CEST)"
References:  <XFMail.980703105306.lada@pc8811.gud.siemens.at>

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> Some of you probably can still recollect the HP-UX Context Dependent Files
> (I believe they are reduced-functionality Variant Symlinks) which existed
> till HP-UX 10 threw them out.  They offered the limited functionality which
> could select the CDF file content based on process context (which was
> basically the arch equivalent).  This made it possible to have the HPPA and
> Motorola executables in the same directory, with the same name.
> 
> A workalike thereof should suffice for your needs.

If anybody should ever consider something similar to HP-UX CDFs, I'd
strongly suggest that this should only be available to root by default.
(on the assumption that root users know what they're doing).

At one of my former employers we had a large number of HP-UX diskless
hosts, using CDFs. We saw far too many cases of users inadvertently
having their directories "disappear" (and similar problems) because
they had turned the CDF bit on. It was a real support hassle.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no

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