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Date: Thu, 31 Mar 2005 13:25:03 +0100
From: Christoph Hellwig <hch@infradead.org>
To: David Leimbach <dleimbac@gmail.com>, babkin@FreeBSD.ORG,
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Subject: Re: organization
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On Thu, Mar 31, 2005 at 07:20:13AM -0500, David Schultz wrote:
> On Wed, Mar 30, 2005, David Leimbach wrote:
> > > Yes, procfs rules!
> > 
> > Procfs is from linux?
> > 
> > I thought it was from Plan 9... along with rfork :).
> 
> Nope.  It was first implemented by Sun's Roger Faulkner in SVR4,
> well before Linux or Plan 9 existed.  Actually, someone wrote a
> prototype for Unix years earlier than raf, but I don't remember
> who.

procfs comes from v8 (research) unix, a direct predecessor of Plan 9,
way before SVR4.