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To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
cc: freebsd-current@FreeBSD.ORG (FreeBSD-current users)
Subject: Re: cvs commit: src/sys/dev/ccd ccd.c src/sys/dev/vn vn.c src/sys/sys conf.h src/sys/i386/isa fd.c mcd.c scd.c wcd.c wd.c wt.c s 
In-reply-to: Your message of "Thu, 25 Jul 1996 19:27:26 +0200."
             <199607251727.TAA22036@uriah.heep.sax.de> 
Date: Thu, 25 Jul 1996 13:15:32 -0700
From: "Justin T. Gibbs" <gibbs@freefall.freebsd.org>
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>(Moved to -current.)
>
>As Jordan K. Hubbard wrote:
>
>> Also, the persistence people don't mind if devfs is *optional*, then
>> it can throw your /dev files away every 5 minutes just for fun if it
>> likes - they don't have to use it.
>
>What sense does it make using /dev entries to unconfigured drivers
>(that's about all persistance would give you, isn't it :)?

Persistence would allow you to change the permissions on a device and
have them stick.  If a device was not availible, it wouldn't show up
in /dev, but if it came back (say after replacing faulty hardware)
any permission changes you made in the past would show up as soon as
the device did.

--
Justin T. Gibbs
===========================================
  FreeBSD: Turning PCs into workstations
===========================================