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<!DOCTYPE html> <!-- WASDOC AXP-2.0.0 (CGILIB AXP-1.9.9) --> <!-- wasDOC Copyright (C) 2019,2020 Mark G.Daniel - Apache-2.0 licenced --> <!-- 3-NOV-2021 02:50 --> <noscript>NOTE: SOME FUNCTIONALITY EMPLOYS JAVASCRIPT</noscript> <div id="erreport1" style="display:none;"></div> <script> function errorReport(string) { for (var cnt = 1; cnt <= 2; cnt++) { var err = document.getElementById('erreport'+cnt); err.style.display = 'block'; err.innerHTML += string; } } </script> <style type="text/css"> html { font-family: arial, verdana, sans-serif; font-size:12pt; margin:1em; } h1 { font-size:124%; font-style:bold; margin-top:1em; margin-bottom:0.5em; } h2 { font-size:120%; font-style:bold; margin-top:1.1em; margin-bottom:0.4em; } h3 { font-size:116%; font-style:bold; margin-top:1.0em; margin-bottom:0.3em; } h4 { font-size:112%; font-style:bold; margin-top:1.1em; margin-bottom:0.3em; } h5 { font-size:112%; font-style:bold; margin-top:1.1em; margin-bottom:0.3em; } h6 { font-size:112%; font-style:bold; 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It is not a tutorial on writing HTML documents. <p> For installation and update details see <a class="link blank" target="_blank" href="../features/">WASD Web Services - Installation</a> <p> For detailed configuration information see <a class="link blank" target="_blank" href="../config/">WASD Web Services - Configuration</a> <p> For the more significant features and facilities available see <a class="link blank" target="_blank" href="../features/features.html">WASD Web Services - Features</a> <p> For information on CGI, CGIplus, ISAPI, OSU, etc., scripting, see <a class="link blank" target="_blank" href="../scripting/scripting.html">WASD Web Services - Scripting</a> <a id="0.0.0.0.3" href="#"></a> <a id="0.onlinesearch" href="#"></a> <a id="onlinesearch" href="#"></a> <h5 class="head"><span class="text">Online Search</span></h5> <p> <table class="tabl noindent" style="border:1px #808080 solid;background-color:#eeeeee;margin-bottom:1.5em;"> <tr class="tabr"> <td class="tabd" style="padding:0.5em;"><form action="/cgi-bin/query/wasd_root/wasdoc/env/*.html" target="_top"> <input type="submit" value="Search for:"> <input type="text" name="search" size="20"> <input type="reset" value="Reset"> </form> </table> <p> <span class="high bold">WASD VMS Web Services – Copyright © 1996-2021 Mark G. Daniel</span> <a id="0.0.0.0.3.1" href="#"></a> <a id="0.apachelicenseversion20" href="#"></a> <a id="apachelicenseversion20" href="#"></a> <h6 class="head display0"><span class="text">Apache License, Version 2.0</span></h6> <a id="0.0.0.0.3.2" href="#"></a> <a id="0.license" href="#"></a> <a id="license" href="#"></a> <h6 class="head display0"><span class="text">License</span></h6> <p> Licensed under the <span class="high bold">Apache License</span>, Version 2.0 (the "License"); <div class="blockof quote" style="font-size:0.9em;width:49em;margin:-0.5em 0 0 1em;">you may not use this software except in compliance with the License. You may obtain a copy of the License at <p> <a class="link blank" target="_blank" style="margin-left:1em;" href="https://www.apache.org/licenses/LICENSE-2.0">https://www.apache.org/licenses/LICENSE-2.0</a> <p> Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. </div> <p> <a class="link" href="mailto:Mark.Daniel@wasd.vsm.com.au">Mark.Daniel@wasd.vsm.com.au</a> <br> <span class="high bold italic">A pox on the houses of all spamers. Make that two poxes.</span> <p> All copyright and trademarks within this document belong to their rightful owners. See <a class="link" href="env010.html#10.attributionandacknowledgement">10. Attribution and Acknowledgement</a>. <p> This is a static (file), multipart document. <br> Alternative <a class="link" href="/wasd_root/wasdoc/env/">single</a> static and <a class="link" href="/cgi-bin/wasdoc/wasd_root/wasdoc/env/">dynamic</a> documents. <br> Links followed by ⤤ open in a new page. <a id="0.0.0.0.4.2" href="#"></a> <a id="0.tableofcontent" href="#"></a> <a id="tableofcontent" href="#"></a> <h1 class="head" style="font-size:120%;"><span class="text">Table of Content</span></h1> <div class="TOC1cols2"> <table class="TOC1table"> <tr><td class="sepr"><a href="env001.html#1.introduction">1.</a>…………………<td class="text majr"><a href="env001.html#1.introduction">Introduction</a> <tr><td class="sepr"><a href="env002.html#2.documentaccessandspecification">2.</a>…………………<td class="text majr"><a href="env002.html#2.documentaccessandspecification">Document Access and Specification</a> <tr><td class="sepr"><a href="env002.html#2.1.documentcontenttype">2.1</a>…………………<td class="text"><a href="env002.html#2.1.documentcontenttype">Document Content Type</a> <tr><td class="sepr"><a href="env002.html#2.2.explicitlyspecifyingcontenttype">2.2</a>…………………<td class="text"><a href="env002.html#2.2.explicitlyspecifyingcontenttype">Explicitly Specifying Content-Type</a> <tr><td class="sepr"><a href="env002.html#2.3.documentspecification">2.3</a>…………………<td class="text"><a href="env002.html#2.3.documentspecification">Document Specification</a> <tr><td class="sepr"><a href="env002.html#2.3.1.absolutefilepath">2.3.1</a>…………………<td class="text"><a href="env002.html#2.3.1.absolutefilepath">Absolute File Path</a> <tr><td class="sepr"><a href="env002.html#2.3.2.partialorrelativefilepath">2.3.2</a>…………………<td class="text"><a href="env002.html#2.3.2.partialorrelativefilepath">Partial (or Relative) File Path</a> <tr><td class="sepr"><a href="env002.html#2.4.extendedfilespecificationsods5">2.4</a>…………………<td class="text"><a href="env002.html#2.4.extendedfilespecificationsods5">Extended File Specifications (ODS-5)</a> <tr><td class="sepr"><a href="env002.html#2.4.1.charactersinrequestpaths">2.4.1</a>…………………<td class="text"><a href="env002.html#2.4.1.charactersinrequestpaths">Characters In Request Paths</a> <tr><td class="sepr"><a href="env002.html#2.4.2.charactersinservergeneratedpaths">2.4.2</a>…………………<td class="text"><a href="env002.html#2.4.2.charactersinservergeneratedpaths">Characters In Server-Generated Paths</a> <tr><td class="sepr"><a href="env002.html#2.4.3.documentcache">2.4.3</a>…………………<td class="text"><a href="env002.html#2.4.3.documentcache">Document Cache</a> <tr><td class="sepr"><a href="env003.html#3.directorylisting">3.</a>…………………<td class="text majr"><a href="env003.html#3.directorylisting">Directory Listing</a> <tr><td class="sepr"><a href="env003.html#3.1.controllingaccesstoadirectory">3.1</a>…………………<td class="text"><a href="env003.html#3.1.controllingaccesstoadirectory">Controlling Access To A Directory</a> <tr><td class="sepr"><a href="env003.html#3.2.quothiddenquotfiles">3.2</a>…………………<td class="text"><a href="env003.html#3.2.quothiddenquotfiles">"Hidden" Files</a> <tr><td class="sepr"><a href="env003.html#3.3.serverdirectives">3.3</a>…………………<td class="text"><a href="env003.html#3.3.serverdirectives">Server Directives</a> <tr><td class="sepr"><a href="env003.html#3.3.1.wwwwasd">3.3.1</a>…………………<td class="text"><a href="env003.html#3.3.1.wwwwasd">.WWW_WASD</a> <tr><td class="sepr"><a href="env003.html#3.3.2.layout">3.3.2</a>…………………<td class="text"><a href="env003.html#3.3.2.layout">Layout</a> <tr><td class="sepr"><a href="env003.html#3.3.3.directorystyle">3.3.3</a>…………………<td class="text"><a href="env003.html#3.3.3.directorystyle">Directory Style</a> <tr><td class="sepr"><a href="env003.html#3.3.4.selectivelisting">3.3.4</a>…………………<td class="text"><a href="env003.html#3.3.4.selectivelisting">Selective Listing</a> <tr><td class="sepr"><a href="env003.html#3.3.5.listingtitle">3.3.5</a>…………………<td class="text"><a href="env003.html#3.3.5.listingtitle">Listing Title</a> <tr><td class="sepr"><a href="env003.html#3.3.6.listingfont">3.3.6</a>…………………<td class="text"><a href="env003.html#3.3.6.listingfont">Listing Font</a> <tr><td class="sepr"><a href="env003.html#3.3.7.fileversions">3.3.7</a>…………………<td class="text"><a href="env003.html#3.3.7.fileversions">File Versions</a> <tr><td class="sepr"><a href="env003.html#3.3.8.readmefiles">3.3.8</a>…………………<td class="text"><a href="env003.html#3.3.8.readmefiles">Readme Files</a> <tr><td class="sepr"><a href="env003.html#3.3.9.listingdelimiters">3.3.9</a>…………………<td class="text"><a href="env003.html#3.3.9.listingdelimiters">Listing Delimiters</a> <tr><td class="sepr"><a href="env003.html#3.3.10.suppressingdirectories">3.3.10</a>…………………<td class="text"><a href="env003.html#3.3.10.suppressingdirectories">Suppressing Directories</a> <tr><td class="sepr"><a href="env003.html#3.3.11.listingrefreshandexpiry">3.3.11</a>…………………<td class="text"><a href="env003.html#3.3.11.listingrefreshandexpiry">Listing Refresh and Expiry</a> <tr><td class="sepr"><a href="env003.html#3.3.12.scriptingfromdirectorylistings">3.3.12</a>…………………<td class="text"><a href="env003.html#3.3.12.scriptingfromdirectorylistings">Scripting From Directory Listings</a> <tr><td class="sepr"><a href="env003.html#3.3.13.autoscripting">3.3.13</a>…………………<td class="text"><a href="env003.html#3.3.13.autoscripting">Auto-Scripting</a> <tr><td class="sepr"><a href="env003.html#3.3.14.targetwindow">3.3.14</a>…………………<td class="text"><a href="env003.html#3.3.14.targetwindow">Target Window</a> <tr><td class="sepr"><a href="env003.html#3.3.15.specifyingcontenttype">3.3.15</a>…………………<td class="text"><a href="env003.html#3.3.15.specifyingcontenttype">Specifying Content-Type</a> <tr><td class="sepr"><a href="env003.html#3.3.16.iconplaintextlink">3.3.16</a>…………………<td class="text"><a href="env003.html#3.3.16.iconplaintextlink">Icon Plain Text Link</a> <tr><td class="sepr"><a href="env003.html#3.3.17.querystring">3.3.17</a>…………………<td class="text"><a href="env003.html#3.3.17.querystring">Query String</a> <tr><td class="sepr"><a href="env003.html#3.3.18.allowingoverride">3.3.18</a>…………………<td class="text"><a href="env003.html#3.3.18.allowingoverride">Allowing Override</a> <tr><td class="sepr"><a href="env003.html#3.4.directorytree">3.4</a>…………………<td class="text"><a href="env003.html#3.4.directorytree">Directory Tree</a> <tr><td class="sepr"><a href="env004.html#4.serversideincludesssi">4.</a>…………………<td class="text majr"><a href="env004.html#4.serversideincludesssi">Server Side Includes (SSI)</a> <tr><td class="sepr"><a href="env004.html#4.1.virtualdocuments">4.1</a>…………………<td class="text"><a href="env004.html#4.1.virtualdocuments">Virtual Documents</a> <tr><td class="sepr"><a href="env004.html#4.2.lastmodifiedinformation">4.2</a>…………………<td class="text"><a href="env004.html#4.2.lastmodifiedinformation">Last-Modified Information</a> <tr><td class="sepr"><a href="env004.html#4.3.preexpiringdocuments">4.3</a>…………………<td class="text"><a href="env004.html#4.3.preexpiringdocuments">Pre-Expiring Documents</a> <tr><td class="sepr"><a href="env004.html#4.4.directivesyntax">4.4</a>…………………<td class="text"><a href="env004.html#4.4.directivesyntax">Directive Syntax</a> <tr><td class="sepr"><a href="env004.html#4.5.directives">4.5</a>…………………<td class="text"><a href="env004.html#4.5.directives">Directives</a> <tr><td class="sepr"><a href="env004.html#4.5.1.accesses">4.5.1</a>…………………<td class="text"><a href="env004.html#4.5.1.accesses">#ACCESSES</a> <tr><td class="sepr"><a href="env004.html#4.5.2.config">4.5.2</a>…………………<td class="text"><a href="env004.html#4.5.2.config">#CONFIG</a> <tr><td class="sepr"><a href="env004.html#4.5.3.dir">4.5.3</a>…………………<td class="text"><a href="env004.html#4.5.3.dir">#DIR</a> <tr><td class="sepr"><a href="env004.html#4.5.4.dcl">4.5.4</a>…………………<td class="text"><a href="env004.html#4.5.4.dcl">#DCL</a> <tr><td class="sepr"><a href="env004.html#4.5.5.echo">4.5.5</a>…………………<td class="text"><a href="env004.html#4.5.5.echo">#ECHO</a> <tr><td class="sepr"><a href="env004.html#4.5.6.elif">4.5.6</a>…………………<td class="text"><a href="env004.html#4.5.6.elif">#ELIF</a> <tr><td class="sepr"><a href="env004.html#4.5.7.else">4.5.7</a>…………………<td class="text"><a href="env004.html#4.5.7.else">#ELSE</a> <tr><td class="sepr"><a href="env004.html#4.5.8.endif">4.5.8</a>…………………<td class="text"><a href="env004.html#4.5.8.endif">#ENDIF</a> <tr><td class="sepr"><a href="env004.html#4.5.9.exec">4.5.9</a>…………………<td class="text"><a href="env004.html#4.5.9.exec">#EXEC</a> <tr><td class="sepr"><a href="env004.html#4.5.10.exit">4.5.10</a>…………………<td class="text"><a href="env004.html#4.5.10.exit">#EXIT</a> <tr><td class="sepr"><a href="env004.html#4.5.11.fcreated">4.5.11</a>…………………<td class="text"><a href="env004.html#4.5.11.fcreated">#FCREATED</a> <tr><td class="sepr"><a href="env004.html#4.5.12.flastmod">4.5.12</a>…………………<td class="text"><a href="env004.html#4.5.12.flastmod">#FLASTMOD</a> <tr><td class="sepr"><a href="env004.html#4.5.13.fsize">4.5.13</a>…………………<td class="text"><a href="env004.html#4.5.13.fsize">#FSIZE</a> <tr><td class="sepr"><a href="env004.html#4.5.14.if">4.5.14</a>…………………<td class="text"><a href="env004.html#4.5.14.if">#IF</a> <tr><td class="sepr"><a href="env004.html#4.5.15.include">4.5.15</a>…………………<td class="text"><a href="env004.html#4.5.15.include">#INCLUDE</a> <tr><td class="sepr"><a href="env004.html#4.5.16.modified">4.5.16</a>…………………<td class="text"><a href="env004.html#4.5.16.modified">#MODIFIED</a> <tr><td class="sepr"><a href="env004.html#4.5.17.orif">4.5.17</a>…………………<td class="text"><a href="env004.html#4.5.17.orif">#ORIF</a> <tr><td class="sepr"><a href="env004.html#4.5.18.printenv">4.5.18</a>…………………<td class="text"><a href="env004.html#4.5.18.printenv">#PRINTENV</a> <tr><td class="sepr"><a href="env004.html#4.5.19.set">4.5.19</a>…………………<td class="text"><a href="env004.html#4.5.19.set">#SET</a> <tr><td class="sepr"><a href="env004.html#4.5.20.ssi">4.5.20</a>…………………<td class="text"><a href="env004.html#4.5.20.ssi">#SSI</a> <tr><td class="sepr"><a href="env004.html#4.5.21.stop">4.5.21</a>…………………<td class="text"><a href="env004.html#4.5.21.stop">#STOP</a> <tr><td class="sepr"><a href="env004.html#4.6.variables">4.6</a>…………………<td class="text"><a href="env004.html#4.6.variables">Variables</a> <tr><td class="sepr"><a href="env004.html#4.7.flowcontrol">4.7</a>…………………<td class="text"><a href="env004.html#4.7.flowcontrol">Flow Control</a> <tr><td class="sepr"><a href="env004.html#4.8.querystrings">4.8</a>…………………<td class="text"><a href="env004.html#4.8.querystrings">Query Strings</a> <tr><td class="sepr"><a href="env004.html#4.9.fileandvirtualspecifications">4.9</a>…………………<td class="text"><a href="env004.html#4.9.fileandvirtualspecifications">File and Virtual Specifications</a> <tr><td class="sepr"><a href="env004.html#4.9.1.thefilename">4.9.1</a>…………………<td class="text"><a href="env004.html#4.9.1.thefilename">THE_FILE_NAME</a> <tr><td class="sepr"><a href="env004.html#4.10.timeformat">4.10</a>…………………<td class="text"><a href="env004.html#4.10.timeformat">Time Format</a> <tr><td class="sepr"><a href="env004.html#4.11.osucompatibility">4.11</a>…………………<td class="text"><a href="env004.html#4.11.osucompatibility">OSU Compatibility</a> <tr><td class="sepr"><a href="env004.html#4.12.scriptgeneratedssidocuments">4.12</a>…………………<td class="text"><a href="env004.html#4.12.scriptgeneratedssidocuments">Script-Generated SSI Documents</a> <tr><td class="sepr"><a href="env005.html#5.documentsearching">5.</a>…………………<td class="text majr"><a href="env005.html#5.documentsearching">Document Searching</a> <tr><td class="sepr"><a href="env005.html#5.1.plaintextsearch">5.1</a>…………………<td class="text"><a href="env005.html#5.1.plaintextsearch">Plain-Text Search</a> <tr><td class="sepr"><a href="env005.html#5.2.htmlsearch">5.2</a>…………………<td class="text"><a href="env005.html#5.2.htmlsearch">HTML Search</a> <tr><td class="sepr"><a href="env005.html#5.3.searchsyntax">5.3</a>…………………<td class="text"><a href="env005.html#5.3.searchsyntax">Search Syntax</a> <tr><td class="sepr"><a href="env005.html#5.3.1.standardsearchform">5.3.1</a>…………………<td class="text"><a href="env005.html#5.3.1.standardsearchform">Standard Search Form</a> <tr><td class="sepr"><a href="env005.html#5.3.2.formsbasedsearch">5.3.2</a>…………………<td class="text"><a href="env005.html#5.3.2.formsbasedsearch">Forms-Based Search</a> <tr><td class="sepr"><a href="env005.html#5.3.3.searchoptions">5.3.3</a>…………………<td class="text"><a href="env005.html#5.3.3.searchoptions">Search Options</a> <tr><td class="sepr"><a href="env005.html#5.3.4.examplesearchform">5.3.4</a>…………………<td class="text"><a href="env005.html#5.3.4.examplesearchform">Example Search Form</a> <tr><td class="sepr"><a href="env006.html#6.vmshelpandtextlibraries">6.</a>…………………<td class="text majr"><a href="env006.html#6.vmshelpandtextlibraries">VMS Help and Text Libraries</a> <tr><td class="sepr"><a href="env007.html#7.bookreaderbooksandlibraries">7.</a>…………………<td class="text majr"><a href="env007.html#7.bookreaderbooksandlibraries">Bookreader Books and Libraries</a> <tr><td class="sepr"><a href="env008.html#8.webdocumentupdate">8.</a>…………………<td class="text majr"><a href="env008.html#8.webdocumentupdate">Web Document <span class="high bold">Upd</span>ate</a> <tr><td class="sepr"><a href="env009.html#9.index">9.</a>…………………<td class="text majr"><a href="env009.html#9.index">Index</a> <tr><td class="sepr"><a href="env010.html#10.attributionandacknowledgement">10.</a>…………………<td class="text majr"><a href="env010.html#10.attributionandacknowledgement">Attribution and Acknowledgement</a> </table> </div> <!-- source:0100_INTRO.WASDOC --> <table class="NAVtable NAVprint"><tr> <td><a 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