From mboxrd@z Thu Jan  1 00:00:00 1970
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To: 9fans@cse.psu.edu
Subject: Re: [9fans] is plan 9 based on XML?
From: Geoff Collyer <geoff@collyer.net>
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Date: Fri, 26 Mar 2004 01:00:04 -0800
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A google search turned up this claim at
http://turing.cs.camosun.bc.ca/comp112/notes/chapter5.html:

      Among the first such systems (if not the first) was MIT's CTSS
      (Corbat=C3=B3 et. al) implemented on an IBM 7090.  This was also th=
e
      first system to implement a hierarchical file store (i.e. one
      with directories - aka folders - and files with them)