22 Feb
2016
22 Feb
'16
9:02 a.m.
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
--
---
Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm