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 <H1>CUPS Software Test Plan</H1></A><BR>
 CUPS-STP-1.2<BR>
 Easy Software Products<BR>
 Copyright 1997-2003, All Rights Reserved<BR>
 </CENTER>
 <HR>
 <H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
 <BR>
 <BR><B><A HREF="#1">1 Scope</A></B>
 <UL>
 <LI><A HREF="#1_1">1.1 Identification</A></LI>
 <LI><A HREF="#1_2">1.2 System Overview</A></LI>
 <LI><A HREF="#1_3">1.3 Document Overview</A></LI>
 </UL>
 <B><A HREF="#2">2 References</A></B>
 <UL>
 <LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
 <LI><A HREF="#2_2">2.2 Other Documents</A></LI>
 </UL>
 <B><A HREF="#3">3 Test Procedure</A></B>
 <BR>
 <BR><B><A HREF="#4">4 IPP Compliance Tests</A></B>
 <UL>
 <LI><A HREF="#4_1">4.1 Request Tests</A></LI>
 <LI><A HREF="#4_2">4.2 CUPS Printer Operation Tests</A></LI>
 <LI><A HREF="#4_3">4.3 Job Operation Tests</A></LI>
 </UL>
 <B><A HREF="#5">5 Command Tests</A></B>
 <UL>
 <LI><A HREF="#5_1">5.1 lpadmin</A></LI>
 <LI><A HREF="#5_2">5.2 lpc</A></LI>
 <LI><A HREF="#5_3">5.3 lpq</A></LI>
 <LI><A HREF="#5_4">5.4 lpstat</A></LI>
 <LI><A HREF="#5_5">5.5 lp</A></LI>
 <LI><A HREF="#5_6">5.6 lpr</A></LI>
 <LI><A HREF="#5_7">5.7 lprm</A></LI>
 <LI><A HREF="#5_8">5.8 cancel</A></LI>
 <LI><A HREF="#5_9">5.9 lpinfo</A></LI>
 </UL>
 <B><A HREF="#6">A Glossary</A></B>
 <UL>
 <LI><A HREF="#6_1">A.1 Terms</A></LI>
 <LI><A HREF="#6_2">A.2 Acronyms</A></LI>
 </UL>
 <HR>
 <H1><A NAME="1">1 Scope</A></H1>
 <H2><A NAME="1_1">1.1 Identification</A></H2>
 <P>This software test plan provides detailed tests that are used to
  evaluate the stability and compliance of the Common UNIX Printing
  System (&quot;CUPS&quot;) Version 1.2.</P>
 <H2><A NAME="1_2">1.2 System Overview</A></H2>
 <P>CUPS provides a portable printing layer for UNIX&reg;-based operating
  systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
  Software Products</A> to promote a standard printing solution for all
  UNIX vendors and users. CUPS provides the System V and Berkeley
  command-line interfaces.</P>
 <P>CUPS uses the Internet Printing Protocol (&quot;IPP&quot;) as the basis for
  managing print jobs and queues. The Line Printer Daemon (&quot;LPD&quot;) Server
  Message Block (&quot;SMB&quot;), and AppSocket (a.k.a. JetDirect) protocols are
  also supported with reduced functionality. CUPS adds network printer
  browsing and PostScript Printer Description (&quot;PPD&quot;) based printing
  options to support real-world printing under UNIX.</P>
 <P>CUPS also includes a customized version of GNU Ghostscript (currently
  based off GNU Ghostscript 5.50) and an image file RIP that are used to
  support non-PostScript printers. Sample drivers for HP and EPSON
  printers are included that use these filters.</P>
 <H2><A NAME="1_3">1.3 Document Overview</A></H2>
 <P>This software test plan is organized into the following sections:</P>
 <UL>
 <LI>1 - Scope</LI>
 <LI>2 - References</LI>
 <LI>3 - Test Procedure</LI>
 <LI>4 - IPP Compliance Tests</LI>
 <LI>5 - Command Tests</LI>
 <LI>A - Glossary</LI>
 </UL>
 <H1><A NAME="2">2 References</A></H1>
 <H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
 <P>The following CUPS documentation is referenced by this document:</P>
 <UL>
 <LI>CUPS-CMP-1.2: CUPS Configuration Management Plan</LI>
 <LI>CUPS-IDD-1.2: CUPS System Interface Design Description</LI>
 <LI>CUPS-IPP-1.2: CUPS Implementation of IPP</LI>
 <LI>CUPS-SAM-1.2.x: CUPS Software Administrators Manual</LI>
 <LI>CUPS-SDD-1.2: CUPS Software Design Description</LI>
 <LI>CUPS-SPM-1.2.x: CUPS Software Programming Manual</LI>
 <LI>CUPS-SSR-1.2: CUPS Software Security Report</LI>
 <LI>CUPS-STP-1.2: CUPS Software Test Plan</LI>
 <LI>CUPS-SUM-1.2.x: CUPS Software Users Manual</LI>
 <LI>CUPS-SVD-1.2: CUPS Software Version Description</LI>
 </UL>
 <H2><A NAME="2_2">2.2 Other Documents</A></H2>
 <P>The following non-CUPS documents are referenced by this document:</P>
 <UL>
 <LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
 Adobe PostScript Printer Description File Format Specification, Version
  4.3.</A></LI>
 <LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
 Adobe PostScript Language Reference, Third Edition.</A></LI>
 <LI>IPP: Job and Printer Set Operations</LI>
 <LI>IPP/1.1: Encoding and Transport</LI>
 <LI>IPP/1.1: Implementers Guide</LI>
 <LI>IPP/1.1: Model and Semantics</LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
  Daemon Protocol</A></LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
  for an Internet Printing Protocol</A></LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
  for the Structure of the Model and Protocol for the Internet Printing
  Protocol</A></LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
  between LPD and IPP Protocols</A></LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
  Transfer Protocol -- HTTP/1.1</A></LI>
 <LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
  Authentication: Basic and Digest Access</A> Authentication</LI>
 </UL>
 <H1><A NAME="3">3 Test Procedure</A></H1>
 <P>The test software and data files are located in the<VAR> test</VAR>
  subdirectory of the source distribution. A script is provided to
  compile the <CODE>ipptest</CODE> program and run all of the tests that
  follow, producing a success/fail report.</P>
 <P>The <CODE>test</CODE> target of the top-level makefile can be used to
  run this script:</P>
 <UL>
 <PRE>
 make test
 </PRE>
 </UL>
 <P>or you can run the test script directly:</P>
 <UL>
 <PRE>
 cd test
 ./run-stp-tests
 </PRE>
 </UL>
 <P>A Software Test Report is stored in HTML and PDF files that are
  generated using the<A HREF="http://www.easysw.com/htmldoc"> HTMLDOC</A>
  software.</P>
 <H1><A NAME="4">4 IPP Compliance Tests</A></H1>
 <P>This section describes the tests used to validate the IPP standards
  compliance of the CUPS server.</P>
 <H2><A NAME="4_1">4.1 Request Tests</A></H2>
 <P>These tests verify that the CUPS scheduler only accepts valid IPP
  requests that start with the <CODE>attributes-charset</CODE> and <CODE>
 attributes-natural-language</CODE> attributes and also contain a <CODE>
 printer-uri</CODE> or <CODE>job-uri</CODE> attribute.</P>
 <P>It also verifies that the CUPS scheduler always responds with <CODE>
 attributes-charset</CODE> and <CODE>attributes-natural-language</CODE>
  attributes, using default values if they are not provided by the
  client.</P>
 <H2><A NAME="4_2">4.2 CUPS Printer Operation Tests</A></H2>
 <P>These tests verify that the CUPS printer operations are supported and
  function properly. Two printers called <CODE>Test1</CODE> and <CODE>
 Test2</CODE> are created, one as a PostScript printer and one as a
  raster printer.</P>
 <H2><A NAME="4_3">4.3 Job Operation Tests</A></H2>
 <P>These test verify that the CUPS scheduler accepts print jobs for all
  supported file formats and that the <CODE>cancel-job</CODE>, <CODE>
 hold-job</CODE>, and <CODE>resume-job</CODE> operations work.</P>
 <H1><A NAME="5">5 Command Tests</A></H1>
 <P>This section describes the tests used to validate the Berkeley and
  System V commands included with CUPS.</P>
 <H2><A NAME="5_1">5.1 lpadmin</A></H2>
 <P>This test verifies that printers can be added, modified, and
  defaulted using the <CODE>lpadmin</CODE> command.</P>
 <H2><A NAME="5_2">5.2 lpc</A></H2>
 <P>This test verifies that the <CODE>lpc</CODE> command can show the
  current status of all print queues.</P>
 <H2><A NAME="5_3">5.3 lpq</A></H2>
 <P>This test verifies that the <CODE>lpq</CODE> command lists any jobs
  in the queue.</P>
 <H2><A NAME="5_4">5.4 lpstat</A></H2>
 <P>This test verifies that the <CODE>lpstat</CODE> command works with
  all reports using the &quot;<CODE>-t</CODE>&quot; option.</P>
 <H2><A NAME="5_5">5.5 lp</A></H2>
 <P>This test verifies that the <CODE>lp</CODE> command works with both
  the default destination and a specific destination.</P>
 <H2><A NAME="5_6">5.6 lpr</A></H2>
 <P>This test verifies that the <CODE>lpr</CODE> command works with both
  the default destination and a specific destination.</P>
 <H2><A NAME="5_7">5.7 lprm</A></H2>
 <P>This test verifies that the <CODE>lprm</CODE> command can properly
  cancel a job.</P>
 <H2><A NAME="5_8">5.8 cancel</A></H2>
 <P>This test verifies that the <CODE>cancel</CODE> command can properly
  cancel a job or all jobs.</P>
 <H2><A NAME="5_9">5.9 lpinfo</A></H2>
 <P>This test verifies that the <CODE>lpinfo</CODE> command returns a
  list of available printer drivers and devices.</P>
 <H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
 <H2><A NAME="6_1">A.1 Terms</A></H2>
 <DL>
 <DT>C</DT>
 <DD>A computer language.</DD>
 <DT>parallel</DT>
 <DD>Sending or receiving data more than 1 bit at a time.</DD>
 <DT>pipe</DT>
 <DD>A one-way communications channel between two programs.</DD>
 <DT>serial</DT>
 <DD>Sending or receiving data 1 bit at a time.</DD>
 <DT>socket</DT>
 <DD>A two-way network communications channel.</DD>
 </DL>
 <H2><A NAME="6_2">A.2 Acronyms</A></H2>
 <DL>
 <DT>ASCII</DT>
 <DD>American Standard Code for Information Interchange</DD>
 <DT>CUPS</DT>
 <DD>Common UNIX Printing System</DD>
 <DT>ESC/P</DT>
 <DD>EPSON Standard Code for Printers</DD>
 <DT>FTP</DT>
 <DD>File Transfer Protocol</DD>
 <DT>HP-GL</DT>
 <DD>Hewlett-Packard Graphics Language</DD>
 <DT>HP-PCL</DT>
 <DD>Hewlett-Packard Page Control Language</DD>
 <DT>HP-PJL</DT>
 <DD>Hewlett-Packard Printer Job Language</DD>
 <DT>IETF</DT>
 <DD>Internet Engineering Task Force</DD>
 <DT>IPP</DT>
 <DD>Internet Printing Protocol</DD>
 <DT>ISO</DT>
 <DD>International Standards Organization</DD>
 <DT>LPD</DT>
 <DD>Line Printer Daemon</DD>
 <DT>MIME</DT>
 <DD>Multimedia Internet Mail Exchange</DD>
 <DT>PPD</DT>
 <DD>PostScript Printer Description</DD>
 <DT>SMB</DT>
 <DD>Server Message Block</DD>
 <DT>TFTP</DT>
 <DD>Trivial File Transfer Protocol</DD>
 </DL>
 </BODY>
 </HTML>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
	<HTML>
	<HEAD>
	<TITLE>CUPS Software Test Plan</TITLE>
	<META NAME="author" CONTENT="Easy Software Products">
	<META NAME="copyright" CONTENT="Copyright 1997-2003, All Rights Reserved">
	<META NAME="docnumber" CONTENT="CUPS-STP-1.2">
	<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=iso-8859-1">
	<STYLE TYPE="text/css"><!--
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	H1 { font-family: sans-serif }
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	H4 { font-family: sans-serif }
	H5 { font-family: sans-serif }
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	--></STYLE>
	</HEAD>
	<BODY>
	<CENTER><A HREF="#CONTENTS"><IMG SRC="images/cups-large.gif" BORDER="0" WIDTH="431" HEIGHT="511"><BR>
	<H1>CUPS Software Test Plan</H1></A><BR>
	CUPS-STP-1.2<BR>
	Easy Software Products<BR>
	Copyright 1997-2003, All Rights Reserved<BR>
	</CENTER>
	<HR>
	<H1 ALIGN="CENTER"><A NAME="CONTENTS">Table of Contents</A></H1>
	<BR>
	<BR><B><A HREF="#1">1 Scope</A></B>
	<UL>
	<LI><A HREF="#1_1">1.1 Identification</A></LI>
	<LI><A HREF="#1_2">1.2 System Overview</A></LI>
	<LI><A HREF="#1_3">1.3 Document Overview</A></LI>
	</UL>
	<B><A HREF="#2">2 References</A></B>
	<UL>
	<LI><A HREF="#2_1">2.1 CUPS Documentation</A></LI>
	<LI><A HREF="#2_2">2.2 Other Documents</A></LI>
	</UL>
	<B><A HREF="#3">3 Test Procedure</A></B>
	<BR>
	<BR><B><A HREF="#4">4 IPP Compliance Tests</A></B>
	<UL>
	<LI><A HREF="#4_1">4.1 Request Tests</A></LI>
	<LI><A HREF="#4_2">4.2 CUPS Printer Operation Tests</A></LI>
	<LI><A HREF="#4_3">4.3 Job Operation Tests</A></LI>
	</UL>
	<B><A HREF="#5">5 Command Tests</A></B>
	<UL>
	<LI><A HREF="#5_1">5.1 lpadmin</A></LI>
	<LI><A HREF="#5_2">5.2 lpc</A></LI>
	<LI><A HREF="#5_3">5.3 lpq</A></LI>
	<LI><A HREF="#5_4">5.4 lpstat</A></LI>
	<LI><A HREF="#5_5">5.5 lp</A></LI>
	<LI><A HREF="#5_6">5.6 lpr</A></LI>
	<LI><A HREF="#5_7">5.7 lprm</A></LI>
	<LI><A HREF="#5_8">5.8 cancel</A></LI>
	<LI><A HREF="#5_9">5.9 lpinfo</A></LI>
	</UL>
	<B><A HREF="#6">A Glossary</A></B>
	<UL>
	<LI><A HREF="#6_1">A.1 Terms</A></LI>
	<LI><A HREF="#6_2">A.2 Acronyms</A></LI>
	</UL>
	<HR>
	<H1><A NAME="1">1 Scope</A></H1>
	<H2><A NAME="1_1">1.1 Identification</A></H2>
	<P>This software test plan provides detailed tests that are used to
	evaluate the stability and compliance of the Common UNIX Printing
	System ("CUPS") Version 1.2.</P>
	<H2><A NAME="1_2">1.2 System Overview</A></H2>
	<P>CUPS provides a portable printing layer for UNIX®-based operating
	systems. It has been developed by<A HREF="http://www.easysw.com"> Easy
	Software Products</A> to promote a standard printing solution for all
	UNIX vendors and users. CUPS provides the System V and Berkeley
	command-line interfaces.</P>
	<P>CUPS uses the Internet Printing Protocol ("IPP") as the basis for
	managing print jobs and queues. The Line Printer Daemon ("LPD") Server
	Message Block ("SMB"), and AppSocket (a.k.a. JetDirect) protocols are
	also supported with reduced functionality. CUPS adds network printer
	browsing and PostScript Printer Description ("PPD") based printing
	options to support real-world printing under UNIX.</P>
	<P>CUPS also includes a customized version of GNU Ghostscript (currently
	based off GNU Ghostscript 5.50) and an image file RIP that are used to
	support non-PostScript printers. Sample drivers for HP and EPSON
	printers are included that use these filters.</P>
	<H2><A NAME="1_3">1.3 Document Overview</A></H2>
	<P>This software test plan is organized into the following sections:</P>
	<UL>
	<LI>1 - Scope</LI>
	<LI>2 - References</LI>
	<LI>3 - Test Procedure</LI>
	<LI>4 - IPP Compliance Tests</LI>
	<LI>5 - Command Tests</LI>
	<LI>A - Glossary</LI>
	</UL>
	<H1><A NAME="2">2 References</A></H1>
	<H2><A NAME="2_1">2.1 CUPS Documentation</A></H2>
	<P>The following CUPS documentation is referenced by this document:</P>
	<UL>
	<LI>CUPS-CMP-1.2: CUPS Configuration Management Plan</LI>
	<LI>CUPS-IDD-1.2: CUPS System Interface Design Description</LI>
	<LI>CUPS-IPP-1.2: CUPS Implementation of IPP</LI>
	<LI>CUPS-SAM-1.2.x: CUPS Software Administrators Manual</LI>
	<LI>CUPS-SDD-1.2: CUPS Software Design Description</LI>
	<LI>CUPS-SPM-1.2.x: CUPS Software Programming Manual</LI>
	<LI>CUPS-SSR-1.2: CUPS Software Security Report</LI>
	<LI>CUPS-STP-1.2: CUPS Software Test Plan</LI>
	<LI>CUPS-SUM-1.2.x: CUPS Software Users Manual</LI>
	<LI>CUPS-SVD-1.2: CUPS Software Version Description</LI>
	</UL>
	<H2><A NAME="2_2">2.2 Other Documents</A></H2>
	<P>The following non-CUPS documents are referenced by this document:</P>
	<UL>
	<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/5003.PPD_Spec_v4.3.pdf">
	Adobe PostScript Printer Description File Format Specification, Version
	4.3.</A></LI>
	<LI><A HREF="http://partners.adobe.com/asn/developer/PDFS/TN/PLRM.pdf">
	Adobe PostScript Language Reference, Third Edition.</A></LI>
	<LI>IPP: Job and Printer Set Operations</LI>
	<LI>IPP/1.1: Encoding and Transport</LI>
	<LI>IPP/1.1: Implementers Guide</LI>
	<LI>IPP/1.1: Model and Semantics</LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc1179.txt">RFC 1179, Line Printer
	Daemon Protocol</A></LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc2567.txt">RFC 2567, Design Goals
	for an Internet Printing Protocol</A></LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc2568.txt">RFC 2568, Rationale
	for the Structure of the Model and Protocol for the Internet Printing
	Protocol</A></LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc2569.txt">RFC 2569, Mapping
	between LPD and IPP Protocols</A></LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616, Hypertext
	Transfer Protocol -- HTTP/1.1</A></LI>
	<LI><A HREF="http://www.ietf.org/rfc/rfc2617.txt">RFC 2617, HTTP
	Authentication: Basic and Digest Access</A> Authentication</LI>
	</UL>
	<H1><A NAME="3">3 Test Procedure</A></H1>
	<P>The test software and data files are located in the<VAR> test</VAR>
	subdirectory of the source distribution. A script is provided to
	compile the <CODE>ipptest</CODE> program and run all of the tests that
	follow, producing a success/fail report.</P>
	<P>The <CODE>test</CODE> target of the top-level makefile can be used to
	run this script:</P>
	<UL>
	<PRE>
	make test
	</PRE>
	</UL>
	<P>or you can run the test script directly:</P>
	<UL>
	<PRE>
	cd test
	./run-stp-tests
	</PRE>
	</UL>
	<P>A Software Test Report is stored in HTML and PDF files that are
	generated using the<A HREF="http://www.easysw.com/htmldoc"> HTMLDOC</A>
	software.</P>
	<H1><A NAME="4">4 IPP Compliance Tests</A></H1>
	<P>This section describes the tests used to validate the IPP standards
	compliance of the CUPS server.</P>
	<H2><A NAME="4_1">4.1 Request Tests</A></H2>
	<P>These tests verify that the CUPS scheduler only accepts valid IPP
	requests that start with the <CODE>attributes-charset</CODE> and <CODE>
	attributes-natural-language</CODE> attributes and also contain a <CODE>
	printer-uri</CODE> or <CODE>job-uri</CODE> attribute.</P>
	<P>It also verifies that the CUPS scheduler always responds with <CODE>
	attributes-charset</CODE> and <CODE>attributes-natural-language</CODE>
	attributes, using default values if they are not provided by the
	client.</P>
	<H2><A NAME="4_2">4.2 CUPS Printer Operation Tests</A></H2>
	<P>These tests verify that the CUPS printer operations are supported and
	function properly. Two printers called <CODE>Test1</CODE> and <CODE>
	Test2</CODE> are created, one as a PostScript printer and one as a
	raster printer.</P>
	<H2><A NAME="4_3">4.3 Job Operation Tests</A></H2>
	<P>These test verify that the CUPS scheduler accepts print jobs for all
	supported file formats and that the <CODE>cancel-job</CODE>, <CODE>
	hold-job</CODE>, and <CODE>resume-job</CODE> operations work.</P>
	<H1><A NAME="5">5 Command Tests</A></H1>
	<P>This section describes the tests used to validate the Berkeley and
	System V commands included with CUPS.</P>
	<H2><A NAME="5_1">5.1 lpadmin</A></H2>
	<P>This test verifies that printers can be added, modified, and
	defaulted using the <CODE>lpadmin</CODE> command.</P>
	<H2><A NAME="5_2">5.2 lpc</A></H2>
	<P>This test verifies that the <CODE>lpc</CODE> command can show the
	current status of all print queues.</P>
	<H2><A NAME="5_3">5.3 lpq</A></H2>
	<P>This test verifies that the <CODE>lpq</CODE> command lists any jobs
	in the queue.</P>
	<H2><A NAME="5_4">5.4 lpstat</A></H2>
	<P>This test verifies that the <CODE>lpstat</CODE> command works with
	all reports using the "<CODE>-t</CODE>" option.</P>
	<H2><A NAME="5_5">5.5 lp</A></H2>
	<P>This test verifies that the <CODE>lp</CODE> command works with both
	the default destination and a specific destination.</P>
	<H2><A NAME="5_6">5.6 lpr</A></H2>
	<P>This test verifies that the <CODE>lpr</CODE> command works with both
	the default destination and a specific destination.</P>
	<H2><A NAME="5_7">5.7 lprm</A></H2>
	<P>This test verifies that the <CODE>lprm</CODE> command can properly
	cancel a job.</P>
	<H2><A NAME="5_8">5.8 cancel</A></H2>
	<P>This test verifies that the <CODE>cancel</CODE> command can properly
	cancel a job or all jobs.</P>
	<H2><A NAME="5_9">5.9 lpinfo</A></H2>
	<P>This test verifies that the <CODE>lpinfo</CODE> command returns a
	list of available printer drivers and devices.</P>
	<H1 TYPE="A" VALUE="1"><A NAME="6">A Glossary</A></H1>
	<H2><A NAME="6_1">A.1 Terms</A></H2>
	<DL>
	<DT>C</DT>
	<DD>A computer language.</DD>
	<DT>parallel</DT>
	<DD>Sending or receiving data more than 1 bit at a time.</DD>
	<DT>pipe</DT>
	<DD>A one-way communications channel between two programs.</DD>
	<DT>serial</DT>
	<DD>Sending or receiving data 1 bit at a time.</DD>
	<DT>socket</DT>
	<DD>A two-way network communications channel.</DD>
	</DL>
	<H2><A NAME="6_2">A.2 Acronyms</A></H2>
	<DL>
	<DT>ASCII</DT>
	<DD>American Standard Code for Information Interchange</DD>
	<DT>CUPS</DT>
	<DD>Common UNIX Printing System</DD>
	<DT>ESC/P</DT>
	<DD>EPSON Standard Code for Printers</DD>
	<DT>FTP</DT>
	<DD>File Transfer Protocol</DD>
	<DT>HP-GL</DT>
	<DD>Hewlett-Packard Graphics Language</DD>
	<DT>HP-PCL</DT>
	<DD>Hewlett-Packard Page Control Language</DD>
	<DT>HP-PJL</DT>
	<DD>Hewlett-Packard Printer Job Language</DD>
	<DT>IETF</DT>
	<DD>Internet Engineering Task Force</DD>
	<DT>IPP</DT>
	<DD>Internet Printing Protocol</DD>
	<DT>ISO</DT>
	<DD>International Standards Organization</DD>
	<DT>LPD</DT>
	<DD>Line Printer Daemon</DD>
	<DT>MIME</DT>
	<DD>Multimedia Internet Mail Exchange</DD>
	<DT>PPD</DT>
	<DD>PostScript Printer Description</DD>
	<DT>SMB</DT>
	<DD>Server Message Block</DD>
	<DT>TFTP</DT>
	<DD>Trivial File Transfer Protocol</DD>
	</DL>
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	</HTML>