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<HEAD>
   <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
   <META NAME="Author" CONTENT="James CE Johnson">
   <TITLE>ACE Tutorial 020</TITLE>
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<CENTER><B><FONT SIZE=+2>ACE Tutorial 020</FONT></B></CENTER>

<CENTER><B><FONT SIZE=+2>Sharing your Memories with persistence</FONT></B></CENTER>

<P>
<HR WIDTH="100%">
      This tutorial mirrors the previous.  Instead of using shared memory,
      this time we'll be using a memory-mapped file.
    <p>
      The cool thing about doing it this way is that we gain
      persistence of memory even across reboots.  I wonder if you
      could memory map a file that's mounted via NFS?
    <p>
      Like the shared memory tutorial, this one is also very basic and 
      primitive.  I'm assuming you've read that one, so I'll just hit
      the high points this time through..
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