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<th colspan="3" align="center">LPRng Reference Manual: 24
Sep 2004 (For LPRng-3.8.28)</th>
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<div class="CHAPTER">
<h1><a name="SPOOLQUEUE"></a>Chapter 13. Spool Queues and
Files</h1>
<div class="TOC">
<dl>
<dt><b>Table of Contents</b></dt>
<dt>13.1. <a href="spoolqueue.htm#AEN6327">Spool
Queue</a></dt>
<dt>13.2. <a href="queuelockfile.htm">Queue Lock
File</a></dt>
<dt>13.3. <a href="queuecontrolfile.htm">Spool Control
File</a></dt>
<dt>13.4. <a href="logfiles.htm">Log and Status
Files</a></dt>
<dt>13.5. <a href="jobfiles.htm">Job Files</a></dt>
<dt>13.6. <a href="x6690.htm">Job Hold File</a></dt>
<dt>13.7. <a href="ah.htm">Job State</a></dt>
<dt>13.8. <a href="useidentifier.htm">Job
Identifier</a></dt>
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<p>When files are accepted by the <b class=
"APPLICATION">lpd</b> server for printing, they are stored in
a spool queue directory, together with other files
controlling the print operation. This section describes these
files and how the <b class="APPLICATION">LPRng</b> software
uses them.</p>
<p>For descriptive purposes, we will use the following
printcap entry as a guide:</p>
<div class="INFORMALEXAMPLE">
<a name="AEN6325"></a>
<pre class="SCREEN">
pr|alias
:sd=/var/lpd/pr_public
:cd=/var/lpd/pr
</pre>
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<br>
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<div class="SECT1">
<h1 class="SECT1"><a name="AEN6327">13.1. Spool
Queue</a></h1>
<ul>
<li>
<p><var class="LITERAL">sd=</var><span class=
"emphasis"><i class="EMPHASIS">Spool queue directory
name</i></span></p>
</li>
</ul>
<br>
<br>
<p>The <var class="OPTION">:sd</var> option in the printcap
entry specifies the spool queue directory. If there is no
<var class="OPTION">:sd</var> entry or value, then the
printer can only be used by the clients such as <b class=
"APPLICATION">lpq</b> to locate the destination for a print
job. All information, files, etc., for a print queue is
stored in the spool directory.</p>
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