From mboxrd@z Thu Jan  1 00:00:00 1970
From: lm@mcvoy.com (Larry McVoy)
Date: Sun, 21 Feb 2016 19:02:22 -0800
Subject: [TUHS] Unix v6 File System information
In-Reply-To: <20160222015426.DDFE944229@lignose.oclsc.org>
References: <20160222015426.DDFE944229@lignose.oclsc.org>
Message-ID: <20160222030222.GA26923@mcvoy.com>

I did some work on the Unix file system:

http://www.sunhelp.org/history/pdf/unix_filesys_extent_like_perf.pdf

I spent a lot of time in bmap and it's amazing how much of the original
design still was there after BSD and Sun.  I diffed the code, bmap was
pretty much bmap after all those years.

On Sun, Feb 21, 2016 at 08:54:26PM -0500, Norman Wilson wrote:
> Sometime back before the turn of the century, I remember
> writing up a summary of the evolution of the UNIX file
> system, starting with the earliest system I could find
> information for (possibly the PDP-7 system) and running
> through the printed manuals as things changed, up to
> the Seventh Edition.
> 
> I think I've found it; I'll look it over and try to put
> it somewhere on the web in the next day or two.
> 
> Norman Wilson
> Toronto ON

-- 
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Larry McVoy            	     lm at mcvoy.com             http://www.mcvoy.com/lm