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-version 1.1, 2000/09/21 17:56:48
+version 1.24, 2000/11/09 18:29:58
  Line 1
  <HTML>
  <HEAD>
-   <META NAME="GENERATOR" CONTENT="Adobe PageMill 3.0 Win">
+   <META NAME="GENERATOR" CONTENT="Scott Harrison and Emacs Version 3.14159265358979">
-   <TITLE>Untitled Document</TITLE>
+   <TITLE>LON-CAPA Files and Directories</TITLE>
  </HEAD>
  <BODY>
  <H1>LON-CAPA Files and Directories</H1>
- <BR>Gerd Kortemeyer, Spring-Summer 2000
  <BR>Scott Harrison, September 2000
+ <BR>Scott Harrison, October 2000
+ <BR>Scott Harrison, November 2000
+ <BR>Gerd Kortemeyer, Spring-Summer 2000
+ <P>
+ <OL>
+ <LI><A HREF="#sect1">Contents and Structure of loncapafiles.html</A>
+ <LI><A HREF="#sect2">Software Package Information</A>
+ </OL>
+ </P>
+ <HR>
+ <A NAME="sect1"><H3>1. Contents and Structure of this loncapafiles.html</H3>
+ <P>
+ This file contains specialized markup tags which encode information readable
+ by the LON-CAPA make/build process.  This is meant to be "the master file" which
+ encodes all necessary configuration information to the associated make process.
+ The format of these tags is:
+ <BR>&lt;LONCAPA TYPE=type [otherparameters]&gt;
+ </P>
+ <P>
+ Here are examples of all the different types of LONCAPA make/build tags.
+ <BR>&lt;LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/modules/TexConvert/tthperl/lontex.pm" TARGET="home/httpd/lib/perl/Apache/lontex.pm" DEVCATEGORY="handler" CATEGORY="handler"&gt;
+ <BR>&lt;LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lib/perl/Apache" CATEGORY="writeable by server"&gt;
+ <BR>&lt;LONCAPA TYPE=OWNERSHIP DIST="redhat6.2" CATEGORY="setuid" CHMOD="6755" CHOWN="root:root"&gt;
+ <BR>&lt;LONCAPA TYPE=RPM NAME="Vendor" VALUE="Laboratory for Instructional Technology Education, Division of Science and Mathematics Education, Michigan State University.">
+ </P>
+ <P>
+ The NAME tags associated with TYPE=RPM are:
+ <UL>
+ <LI>Summary
+ <LI>Name
+ <LI>Version
+ <LI>Release
+ <LI>Vendor
+ <LI>BuildRoot
+ <LI>Copyright
+ <LI>Group
+ <LI>Source
+ <LI>AutoReqProv
+ <LI>description
+ <LI>pre
+ </UL>
+ <P>
+ To allow for viewing the tag information in a tabular HTML format, the make process generates
+ <A HREF="latestinstallconfiguration.html">doc/loncapafiles/latestinstallconfiguration.html</A> which
+ has the latest HTML presentation of the current LONCAPA tag configuration settings</A>.  Alternatively,
+ you can just view the internal tags of this HTML file.
+ </P>
+ <HR>
+ <A NAME="sect2"><H3>2. Software Package Information</H3>
+ <P>
+ This section contains the actual LONCAPA tag information.  These tags are probably not viewable with your
+ browser and can only be seen be examining the HTML source.
+ </P>
+ <LONCAPA TYPE=RPM NAME="Summary" VALUE="Basic files for running a LON-CAPA server.">
+ <LONCAPA TYPE=RPM NAME="Name" VALUE="LON-CAPA-base">
+ <LONCAPA TYPE=RPM NAME="Version" VALUE="3.1">
+ <LONCAPA TYPE=RPM NAME="Release" VALUE="1">
+ <LONCAPA TYPE=RPM NAME="Vendor" VALUE="Laboratory for Instructional Technology Education, Division of Science and Mathematics Education, Michigan State University.">
+ <LONCAPA TYPE=RPM NAME="BuildRoot" VALUE="/home/harris41/LON-CAPA-BuildRoot">
+ <LONCAPA TYPE=RPM NAME="Copyright" VALUE="GNU General Public License. Version 2, June 1991.  Michigan State University patents may apply.">
+ <LONCAPA TYPE=RPM NAME="Group" VALUE="Utilities/System">
+ <LONCAPA TYPE=RPM NAME="Source" VALUE="LON-CAPA-base-3.1.tar.gz">
+ <LONCAPA TYPE=RPM NAME="AutoReqProv" VALUE="no">
+ <LONCAPA TYPE=RPM NAME="description" VALUE="This package facilitates a base installation of LON-CAPA files in their directories.\nThe files in this package are only those directly associated with the network communication\nlayer established through direct server-to-server communications (via lond and lonc); plus\nthose which configure (but otherwise not constitute) external software packages like Apache\nand Athena-Kerberos.  For more on the LON-CAPA project, visit http://www.lon-capa.org/.">
+ <LONCAPA TYPE=RPM NAME="pre" VALUE="echo '***********************************************************************"\necho "LON-CAPA  LearningOnline with CAPA"\necho "http://www.lon-capa.org/"\necho "Gerd Kortemeyer, et al"\necho "Laboratory for Instructional Technology Education"\necho "Michigan State University"\necho "General Public License, Version 2, June 1991"\necho "** Michigan State University patents may apply **"\necho " "\necho "This installation assumes an installation of Redhat 6.2"\necho " "\necho "The server computer should be currently connected to the ethernet"\necho " "\necho "The files in this package are only those directly associated with the network communication"\necho "layer established through direct server-to-server communications (via lond and lonc); plus"\necho "those which configure (but otherwise not constitute) external software packages like Apache"\necho "and Athena-Kerberos."\necho "***********************************************************************"\n
+ '>
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc/httpd/conf" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lonTabs" DEVCATEGORY="server standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/perl" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/perl/logs DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/perl/tmp" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lib/perl/Apache" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lonIDs" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/sockets" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/sockets/delayed" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/res" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/rat" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/lonIcons" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lonUsers" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/lon-status" DEVCATEGORY="server standard" CATEGORY="server standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="usr/lib/perl5/site_perl/5.005" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/adm/MathML" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/res/adm/includes" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/res/adm/pages" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/res/adm/pages/bookmarkmenu" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/html/res/adm/pages/annotations" DEVCATEGORY="server standard" CATEGORY="server readonly">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="usr/sbin" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc/cron.d" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc/ntp" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc/rc.d/init.d" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="etc/atalk" DEVCATEGORY="standard" CATEGORY="standard">
+ <LONCAPA TYPE=DIRECTORY DIST="redhat6.2" TARGET="home/httpd/lib/perl/Apache" CATEGORY="writeable by server">
+ <LONCAPA TYPE=LOCATION DIST="redhat6.2" SOURCE="loncom/modules/TexConvert/tthperl/lontex.pm" TARGET="home/httpd/lib/perl/Apache/lontex.pm" CATEGORY="handler">
+ <LONCAPA TYPE=OWNERSHIP CATEGORY="setuid" CHMOD="6755" CHOWN="root:root">
+ <FONT SIZE=+2><A HREF="LON-CAPA-base-3.1-1.i386.rpm">Rolled in a RedHat 6.2 RPM, September 27, 2000</A></FONT>
+ <P>
+ <TABLE BGCOLOR=#FFFFFF BORDER=0 CELLPADDING=10 CELLSPACING=0>
+ <TR><TD>
+ <PRE>
+ Name        : LON-CAPA-base                Relocations: (not relocateable)
+ Version     : 3.1                               Vendor: Laboratory for Instructional Technology Education,
+                                                         Division of Science and Mathematics Education,
+ 							Michigan State University.
+ Release     : 1                             Build Date: Wed Sep 27 13:56:46 2000
+ Install date: (not installed)               Build Host: spock.lite.msu.edu
+ Group       : Utilities/System              Source RPM: LON-CAPA-base-3.1-1.src.rpm
+ Size        : 3650773                           License: GNU General Public License. Version 2, June 1991.
+                                                         Michigan State University patents may apply.
+ Summary     : Basic system files for running a LON-CAPA server.
+ Description :
+ This package facilitates a base installation of LON-CAPA files in their directories.
+ The files in this package are only those directly associated with the network communication
+ layer established through direct server-to-server communications (via lond and lonc); plus
+ those which configure (but otherwise not constitute) external software packages like Apache
+ and Athena-Kerberos.  For more on the LON-CAPA project, visit http://www.lon-capa.org/.
+ </PRE>
+ </TABLE>
  <P>
  Note: these files only refer to
  <UL>
  <LI>those directly associated
  with the network communication layer established through
  direct server-to-server communications (via lond and lonc)
- <LI>those which configure external software packages
+ <LI>those which configure (but otherwise not constitute) external software packages
  like <TT>Apache</TT> and <TT>Athena-Kerberos</TT>.
  </UL>
  and, these files
- Line 22  and, these files
+ Line 146  and, these files
  <LI>are all owned by user=www, group=users
  <LI>all represent their install-time configurations
  (for instance, some directories start out as empty)
- <LI>are all ONLY under the read-write (and sometimes execute) privileges of user=www (-rwx------)
+ <LI>are all ONLY under the read-write-execute privileges of user=www,
+ with different sets of permissions based on file type
+ <UL>
+ <LI><B>chmod 400</B>
+ <BR><B>-r--------</B>: static conf, handler, interface file, graphic files, system file
+ <LI><B>chmod 600</B>
+ <BR><B>-rw-------</B>: conf
+ <LI><B>chmod 500</B>
+ <BR><B>-r-x------</B>: script
  </UL>
+ <LI>unless otherwise specified, lists are separated by newlines (and subelements are separated with colons ':')
+ </UL>
+ <HR>
+ <A NAME="sect3"><H3>2. File and Directory Table</H3>
  <TABLE BORDER="1" CELLPADDING=5 WIDTH=60%>
    <TR>
      <TD WIDTH="39%" COLSPAN=2><B><FONT SIZE="+1">Files & Directories</FONT></B></TD>
- Line 40  and, these files
+ Line 175  and, these files
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">access.conf</TD>
      <TD WIDTH="12%">conf</TD>
-     <TD WIDTH="23%">define handlers,
+     <TD WIDTH="23%">define handlers, set parameters</TD>
-       set parameters</TD>
+     <TD WIDTH="26%"><B>configure</B>
-     <TD WIDTH="26%"><B>configure </B>machine
+ <BR>
-       name, machine function, domain, server admin</TD>
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=1>
+ <TR><TD><TT>lonHostID</TT></TD><TD>LON-internal HostID of this machine</TD></TR>
+ <TR><TD><TT>lonRole</TT></TD><TD>Role of this machine: library, access</TD></TR>
+ <TR><TD><TT>lonAdmEMail</TT></TD><TD>Server Administration</TD></TR>
+ <TR><TD><TT>lonDefDomain</TT></TD><TD>Default domain</TD></TR>
+ <TR><TD><TT>lonLoadLim</TT></TD><TD>Load Limit ( 100% loadavg )</TD></TR>
+ <TR><TD><TT>lonExpire</TT></TD><TD>Expiration for local copies in seconds</TD></TR>
+ </TABLE>
    </TR>
    <TR BGCOLOR="#80FF80">
-     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">httpd.conf</TD>
-     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="12%">static conf</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">main server configuration file</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
-     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">srm.conf</TD>
-     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="12%">static conf</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">name space configuration</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR>
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="configurable"></TD>
      <TD WIDTH="35%" BGCOLOR="#80ff80">startup.pl</TD>
      <TD WIDTH="12%" BGCOLOR="#80ff80">static conf</TD>
-     <TD WIDTH="23%" BGCOLOR="#80ff80">set paths to modules</TD>
+     <TD WIDTH="23%" BGCOLOR="#80ff80">set paths to modules; invoked by <TT>access.conf</TT></TD>
      <TD WIDTH="26%" BGCOLOR="#80ff80">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#000000">
- Line 74  and, these files
+ Line 216  and, these files
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
      <TD WIDTH="35%">filetypes.tab</TD>
      <TD WIDTH="12%">static conf</TD>
-     <TD WIDTH="23%">List of all machines
+     <TD WIDTH="23%">Descriptive list of file extensions, and extension groupings</TD>
-       in the network with function</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
-     <TD WIDTH="26%">www-readable</TD>
    </TR>
    <TR BGCOLOR="#80FFFF">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
      <TD WIDTH="35%">roles.tab</TD>
      <TD WIDTH="12%">static conf</TD>
-     <TD WIDTH="23%">List of all machines
+     <TD WIDTH="23%">List of privileges associated with users of multiple types (for example: Teaching Assistant, Exam Proctor, Course Coordinator)</TD>
-       in the network with function</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
-     <TD WIDTH="26%">www-readable</TD>
    </TR>
    <TR BGCOLOR="#80FFFF">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
      <TD WIDTH="35%">rolesplain.tab</TD>
      <TD WIDTH="12%">static conf</TD>
-     <TD WIDTH="23%">List of all machines
+     <TD WIDTH="23%">Descriptive list of abbreviations used in <TT>roles.tab</TT> for user types and privileges available
        in the network with function</TD>
-     <TD WIDTH="26%">www-readable</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FFFF">
-     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">hosts.tab</TD>
-     <TD WIDTH="12%">static conf</TD>
+     <TD WIDTH="12%">conf</TD>
-     <TD WIDTH="23%">List of all machines
+     <TD WIDTH="23%">List of all machines in the LON-CAPA network.  Relates <TT>lonHostID</TT> to <TT>lonDefDomain</TT> and <U>IP address</U></TD>
-       in the network with function</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
-     <TD WIDTH="26%">www-readable</TD>
    </TR>
    <TR BGCOLOR="80FFFF">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">spare.tab</TD>
      <TD WIDTH="12%">conf</TD>
      <TD WIDTH="23%">Spare hosts to
-       offload session to if this machine overloaded</TD>
+       offload session to if the LON-CAPA machine is overloaded</TD>
-     <TD WIDTH="26%"><B>configure</B>,
+     <TD WIDTH="26%">
-       www-readable</TD>
+ <B>configure</B><BR>
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=1>
+ <TR><TD>
+ list elements are separated by newlines
+ </TD></TR>
+ <TR><TD>
+ each list element consists of only one value; the value for <TT>lonHostID</TT> in <TT>access.conf</TT>
+ </TD></TR>
+ </TABLE>
+ </TD>
    </TR>
    <TR BGCOLOR="#80FFFF">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
- Line 127  and, these files
+ Line 275  and, these files
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
      <TD WIDTH="35%">krb.conf</TD>
      <TD WIDTH="12%">conf</TD>
-     <TD WIDTH="23%">which Kerberos
+     <TD WIDTH="23%">which Kerberos server to contact for which Kerberos domains</TD>
-       server to contact for which Kerberos domains</TD>
+     <TD WIDTH="26%"><B>configure</B><BR>
-     <TD WIDTH="26%"><B>configure</B></TD>
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=1>
+ <TR><TD>
+ list elements are separated by newlines
+ </TD></TR>
+ <TR><TD>
+ each list element consists of only two subelements separated by a colon
+ <BR>
+ <UL>
+ <LI>Kerberos domain value
+ <LI>Kerberos server IP address
+ </UL>
+ </TD></TR>
+ </TABLE>
+ </TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="35%">smb.conf</TD>
+     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="23%">configuration file to make LON-CAPA server file space accessible to network neighborhood</TD>
+     <TD WIDTH="26%"><B>configure</B><BR>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="35%">ntp.conf</TD>
+     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="23%">which NTP server to contact for information (XNTP3 standard)</TD>
+     <TD WIDTH="26%"><B>configure</B><BR>
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=1>
+ <TR><TD>
+ only one line needs to be changed to specify a server ip address
+ </TD></TR>
+ <TR><TD>
+ Example:<BR><NOBR><TT>server ntp.msu.edu</TT>
+ </TD></TR>
+ </TABLE>
+ </TD>
    </TR>
    <TR BGCOLOR="#000000">
      <TD COLSPAN=3><FONT COLOR="#80ff80" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /home/httpd/perl</TD>
- Line 140  and, these files
+ Line 324  and, these files
      <TD WIDTH="35%">lonc</TD>
      <TD WIDTH="12%">script</TD>
      <TD WIDTH="23%">proxy server</TD>
-     <TD WIDTH="26%">www-executable</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script"></TD>
- Line 148  and, these files
+ Line 332  and, these files
      <TD WIDTH="12%">script</TD>
      <TD WIDTH="23%">remote command
        interpreter</TD>
-     <TD WIDTH="26%">www-executable</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script"></TD>
      <TD WIDTH="35%">loncron</TD>
      <TD WIDTH="12%">script</TD>
      <TD WIDTH="23%">housekeeping</TD>
-     <TD WIDTH="26%">www-executable</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script"></TD>
      <TD WIDTH="35%">lonsql</TD>
      <TD WIDTH="12%">script</TD>
-     <TD WIDTH="23%">housekeeping</TD>
+     <TD WIDTH="23%">maintain secondary database of metadata</TD>
-     <TD WIDTH="26%">www-executable</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="setuid.gif" ALT="setuid"></TD>
+     <TD WIDTH="35%">lcpasswd</TD>
+     <TD WIDTH="12%">setuid script</TD>
+     <TD WIDTH="23%">coordinates the system services and files in order to allow lond to change user passwords</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="setuid.gif" ALT="setuid"></TD>
+     <TD WIDTH="35%">lcuseradd</TD>
+     <TD WIDTH="12%">setuid script</TD>
+     <TD WIDTH="23%">coordinates the system services and files in order to allow lond to add a new user</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="setuid.gif" ALT="setuid"></TD>
+     <TD WIDTH="35%">lcpasswd</TD>
+     <TD WIDTH="12%">setuid script</TD>
+     <TD WIDTH="23%">coordinates the system services and files in order to allow lond to add a new user</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="setuid.gif" ALT="setuid"></TD>
+     <TD WIDTH="35%">lcnfson</TD>
+     <TD WIDTH="12%">setuid script</TD>
+     <TD WIDTH="23%">coordinates the system services and files in order to allow lond to enable NFS for a user</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="setuid.gif" ALT="setuid"></TD>
+     <TD WIDTH="35%">lcnfsoff</TD>
+     <TD WIDTH="12%">setuid script</TD>
+     <TD WIDTH="23%">coordinates the system services and files in order to allow lond to enable NFS for a user</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#000000">
      <TD COLSPAN=3><IMG SRC="emptydirectory.gif" ALT="empty directory"> <FONT COLOR="#80FFFF" SIZE=+1> EMPTY DIRECTORY -- /home/httpd/perl/logs</FONT></TD>
- Line 178  and, these files
+ Line 397  and, these files
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonmenu.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Has routines which control the remote control.</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonpageflip.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Deals with forward, backward, and other page flips.</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonratedt.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Builds up frame set and loads in the right thing.</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">admannotations.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">This will take annotations and then plug them into a page</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">admbookmarks.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">This will take bookmarks and get/write/display them for the LON-CAPA user interface</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonratsrv.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Handler tat takes output from RAT and stores it on disk.  Handles the upper hidden frame of the added window that comes up in RAT.   (3 frames come up in RAT server, code, and output.  This module handles server connection.)</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonpage.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">bundles pages into one page</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lonuserstate.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">compile course into binary data structure (in loncom/rat)</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lontex.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Handler for tex files (somewhere in loncom/modules)</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
+     <TD WIDTH="35%">lontexconvert.pm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">Access to tth/ttm</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">lonxml.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">XML Parsing Module</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">style.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">Style Parsing Module</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">londefdef.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">Tags Default Definition Module</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">run.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">used to prevent poorly written problems from causing lingering after effects</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">scripttag.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">implements &lt;script&gt;, &lt;scriptlib&gt;, &lt;parserlib&gt;, and &lt;import&gt;</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">lonhomework.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">handles requests for output, evaluation, and alteration of homework resource</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">inputtags.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">produces HTML input tags (&lt;INPUT&gt;) for rendering homework resources</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">structuretags.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">produces HTML tags necessary for structuring the presentation of homework resourcese</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">response.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">defines different types of responses given to student as well as syntax for producing response values</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">caparesponse.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">handles request to the CAPA homework processing engine</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">lonacc.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">access to for a LON-CAPA user session</TD>
-       res</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">lonracc.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">access handler for file transfers</TD>
-       raw</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">loncacc.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">access to
+     <TD WIDTH="23%">access to construction area</TD>
-       construction space</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
      <TD WIDTH="35%">lonauth.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">authenticate,
+     <TD WIDTH="23%">authenticate, set up session environment</TD>
-       set up session environment</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
- Line 297  and, these files
+ Line 572  and, these files
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
-     <TD WIDTH="35%">lonrep.pm</TD>
+     <TD WIDTH="35%">lonlogout.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">replication</TD>
+     <TD WIDTH="23%">logout</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler.gif"></TD>
-     <TD WIDTH="35%">lonproblem.pm</TD>
+     <TD WIDTH="35%">lonrep.pm</TD>
      <TD WIDTH="12%">handler</TD>
-     <TD WIDTH="23%">assessments</TD>
+     <TD WIDTH="23%">replication</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
- Line 374  and, these files
+ Line 649  and, these files
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">notfound.html</TD>
      <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">static html pages</TD>
+     <TD WIDTH="23%">static html page that is shown when an attempt is made to access a document not present on the web server</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FFFF">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">unauthorized.html</TD>
      <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">static html pages</TD>
+     <TD WIDTH="23%">static html page that is shown when an attempt is made to access a document which is restricted based on
+ file or server configurations</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#000000">
- Line 415  and, these files
+ Line 691  and, these files
      <TD WIDTH="12%">graphic files</TD>
      <TD WIDTH="23%">images for
        rat</TD>
-     <TD WIDTH="26%"><FONT SIZE=-2>
+     <TD WIDTH="26%"><B>listing</B><BR>
+ <FONT SIZE=-2>
 .1.dt.gif
 .1.empty.gif
 .1.ld.gif
- Line 533  sutd.gif
+ Line 810  sutd.gif
      <TD WIDTH="35%">*.gif</TD>
      <TD WIDTH="12%">graphic files</TD>
      <TD WIDTH="23%">logos</TD>
-     <TD WIDTH="26%"><FONT SIZE=-2>liteani.gif, logo.gif, logos.gif</FONT></TD>
+     <TD WIDTH="26%">
+ <B>listing</B><BR>
+ <FONT SIZE=-2>
+ liteani.gif
+ logo.gif
+ logos.gif
+ </FONT></TD>
    </TR>
    <TR BGCOLOR="#000000">
      <TD COLSPAN=3><FONT COLOR="#80FFFF" SIZE=+1><IMG SRC="emptydirectory.gif" ALT="empty directory"> EMPTY DIRECTORY -- /home/httpd/lonUsers</FONT></TD>
- Line 549  sutd.gif
+ Line 832  sutd.gif
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="systemfile.gif" ALT="system file"></TD>
+     <TD WIDTH="35%">tth.pm</TD>
+     <TD WIDTH="12%">system file</TD>
+     <TD WIDTH="23%">perl module for invoking functions specific to Tex-to-HTML conversion</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="systemfile.gif" ALT="system file"></TD>
+     <TD WIDTH="35%">tth.so</TD>
+     <TD WIDTH="12%">system file</TD>
+     <TD WIDTH="23%">shared library file for dynamic loading and unloading</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="systemfile.gif" ALT="system file"></TD>
      <TD WIDTH="35%">capa.pm</TD>
      <TD WIDTH="12%">system file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">perl module for invoking functions specific to CAPA</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="systemfile.gif" ALT="system file"></TD>
      <TD WIDTH="35%">capa.bs</TD>
      <TD WIDTH="12%">system file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">bootstrap file associated with dynamic loading of this module on multiple architectures</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="systemfile.gif" ALT="system file"></TD>
      <TD WIDTH="35%">capa.so</TD>
      <TD WIDTH="12%">system file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">shared library file for dynamic loading and unloading</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#000000">
- Line 577  sutd.gif
+ Line 874  sutd.gif
      <TD WIDTH="35%">*.ent</TD>
      <TD WIDTH="12%">static conf</TD>
      <TD WIDTH="23%">entity files</TD>
-     <TD WIDTH="26%"><FONT SIZE=-2>
+     <TD WIDTH="26%">
+ <B>listing</B><BR>
+ <FONT SIZE=-2>
  isoamsa.ent
  isoamsb.ent
  isoamsc.ent
- Line 625  mmlextra.ent
+ Line 924  mmlextra.ent
      <TD COLSPAN=2><FONT COLOR="#FFFF80"></FONT>&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#FFFF80">
-     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="graphic file"></TD>
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">londes.js</TD>
-     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">Encryption Routines according to Data Encryption Standard DES, written in javascript</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="handler.gif" ALT="handler"></TD>
+     <TD WIDTH="35%">default_homework.lcpm</TD>
+     <TD WIDTH="12%">handler</TD>
+     <TD WIDTH="23%">used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#000000">
- Line 639  mmlextra.ent
+ Line 945  mmlextra.ent
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="graphicfile.gif" ALT="graphic file"></TD>
      <TD WIDTH="35%">*.gif</TD>
      <TD WIDTH="12%">graphic files</TD>
-     <TD WIDTH="23%">logos</TD>
+     <TD WIDTH="23%">icons used for the entire LON-CAPA user interface</TD>
-     <TD WIDTH="26%"><FONT SIZE=-2>
+     <TD WIDTH="26%">
+ <B>listing</B><BR>
+ <FONT SIZE=-2>
  a.gif
  b.gif
  c.gif
- Line 693  z.gif
+ Line 1001  z.gif
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">imgmaps.html</TD>
      <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">image maps for the LON-CAPA remote control</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">index.html</TD>
      <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">welcoming page to the LON-CAPA system upon login</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
    <TR BGCOLOR="#80FF80">
      <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
      <TD WIDTH="35%">menu.html</TD>
      <TD WIDTH="12%">interface file</TD>
-     <TD WIDTH="23%">&nbsp;</TD>
+     <TD WIDTH="23%">renders the HTML (including image maps) for the LON-CAPA remote control</TD>
      <TD WIDTH="26%">&nbsp;</TD>
    </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#80FFFF" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /home/httpd/html/res/adm/pages/bookmarkmenu</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#80FFFF"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FFFF">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="graphicfile.gif" ALT="graphic file"></TD>
+     <TD WIDTH="35%">*.gif</TD>
+     <TD WIDTH="12%">graphic files</TD>
+     <TD WIDTH="23%">icons used for the bookmark portion of the LON-CAPA user interface</TD>
+     <TD WIDTH="26%">
+ <B>listing</B><BR>
+ <FONT SIZE=-2>
+ button_close.gif
+ button_edit.gif
+ button_preview.gif
+ folder_closed.gif
+ folder_closed_pressed.gif
+ folder_new.gif
+ folder_opened.gif
+ folder_opened_pressed.gif
+ folder_pointer_closed.gif
+ folder_pointer_opened.gif
+ folder_spacer.gif
+ folder_trash.gif
+ left_bar.gif
+ line_l_shape.gif
+ line_side_T.gif
+ line_vertical.gif
+ link.gif
+ link_pressed.gif
+ ll_corner.gif
+ lower_bar.gif
+ lr_corner.gif
+ right_bar.gif
+ toolbar_bg.gif
+ ul_corner.gif
+ upper_bar.gif
+ ur_corner.gif
+ </FONT></TD>
+   </TR>
+   <TR BGCOLOR="#80FFFF">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
+     <TD WIDTH="35%">*.html</TD>
+     <TD WIDTH="12%">interface file</TD>
+     <TD WIDTH="23%">associated with the frameset scheme of displaying bookmarks</TD>
+     <TD WIDTH="26%">
+ aaloader.html
+ annotator_bb.html
+ annotator_left.html
+ annotator_ll.html
+ annotator_lr.html
+ annotator_right.html
+ annotator_toolbar.html
+ annotator_ul.html
+ annotator_ur.html
+ annotator_uu.html
+ bookmarkpal.html
+ bookmarkpal_old.html
+ bookmarkpal_v2.html
+ bookmarkpal_v2_backup.html
+ index.html
+ loading_bookmarks.html
+ </TD>
+   </TR>
+   <TR BGCOLOR="#80FFFF">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="interfacefile.gif" ALT="interface file"></TD>
+     <TD WIDTH="35%">bookmarklib.js</TD>
+     <TD WIDTH="12%">interface file</TD>
+     <TD WIDTH="23%">javascript for handling client-side interactions with bookmark interface</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#FFFF80" SIZE=+1><IMG SRC="emptydirectory.gif" ALT="empty directory"> EMPTY DIRECTORY -- /home/httpd/html/res/adm/pages/annotations</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#FFFF80"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#80FF80" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /usr/sbin</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#80FF80"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script file"></TD>
+     <TD WIDTH="35%">loncapaverifypackages</TD>
+     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="23%">checks the system RPMs against what install.lon-capa.org specifies</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script file"></TD>
+     <TD WIDTH="35%">loncapaverifybasepackage</TD>
+     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="23%">checks the important base LON-CAPA files against what install.lon-capa.org specifies</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script file"></TD>
+     <TD WIDTH="35%">loncaparestoreconfigurations</TD>
+     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="23%">restores .rpmsave files after a LON-CAPA-base upgrade</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script file"></TD>
+     <TD WIDTH="35%">loncapaautoupgrade</TD>
+     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="23%">does all the things to coordinate updating of LON-CAPA base files.  Should be used with caution so that you do not lose work.</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="script.gif" ALT="script file"></TD>
+     <TD WIDTH="35%">loncapaverify</TD>
+     <TD WIDTH="12%">script</TD>
+     <TD WIDTH="23%">makes verification report using loncapaverifypackages and loncapaverifybasepackage</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><IMG SRC="directory.gif" ALT="directory"> <FONT COLOR="#80FFFF" SIZE=+1> DIRECTORY -- /etc/cron.d</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#80FFFF">&nbsp;</FONT></TD>
+   </TR>
+   <TR BGCOLOR="#80FFFF">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="static.gif" ALT="static"></TD>
+     <TD WIDTH="35%">loncapa</TD>
+     <TD WIDTH="12%">static conf</TD>
+     <TD WIDTH="23%">file that specifies periodic processes to run for the LON-CAPA machine</TD>
+     <TD WIDTH="26%">&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#FFFF80" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /etc/ntp</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#FFFF80"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="35%">step-tickers</TD>
+     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="23%">file that stimulates running of ntpdate upon init.d/xntpd initiation</TD>
+     <TD WIDTH="26%"><B>configure</B>
+ <TABLE CELLPADDING=0 CELLSPACING=0 BORDER=1>
+ <TR><TD><TT>just one line with the ip address of the server</TT></TD></TR>
+ </TABLE>
+ </TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#80FF80" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /etc/rc.d/init.d</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#80FF80"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#80FF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="rootscript.gif" ALT="root script"></TD>
+     <TD WIDTH="35%">loncontrol</TD>
+     <TD WIDTH="12%">root script</TD>
+     <TD WIDTH="23%">system init and control handling for the LON-CAPA network</TD>
+     <TD WIDTH="26%">
+ <B>multiple targets</B><BR>
+ <FONT SIZE=-1>
+ <PRE>
+ /etc/rc.d/rc0.d/K05loncontrol
+ /etc/rc.d/rc1.d/K05loncontrol
+ /etc/rc.d/rc2.d/K05loncontrol
+ /etc/rc.d/rc3.d/S95loncontrol
+ /etc/rc.d/rc4.d/S95loncontrol
+ /etc/rc.d/rc5.d/S95loncontrol
+ /etc/rc.d/rc6.d/K05loncontrol
+ </PRE>
+ </FONT></TD>
+   </TR>
+   <TR BGCOLOR="#000000">
+     <TD COLSPAN=3><FONT COLOR="#FFFF80" SIZE=+1><IMG SRC="directory.gif" ALT="directory"> DIRECTORY -- /etc/atalk</FONT></TD>
+     <TD COLSPAN=2><FONT COLOR="#FFFF80"></FONT>&nbsp;</TD>
+   </TR>
+   <TR BGCOLOR="#FFFF80">
+     <TD WIDTH="4%" BGCOLOR="#A0A0A0"><IMG SRC="configurable.gif" ALT="configurable"></TD>
+     <TD WIDTH="35%">config</TD>
+     <TD WIDTH="12%">conf</TD>
+     <TD WIDTH="23%">configuration file to make LON-CAPA server file space accessible to Appleshares access (Macintosh)</TD>
+     <TD WIDTH="26%"><B>configure</B><BR>
+   </TR>
  </TABLE>
  </BODY>
  </HTML>

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