1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 <head> 5 <meta name="generator" content="HTML Tidy, see www.w3.org"> 6 <title>References and Standards</title> 7 <meta name="GENERATOR" content= 8 "Modular DocBook HTML Stylesheet Version 1.7"> 9 <link rel="HOME" title=" LPRng Reference Manual" href= 10 "index.htm"> 11 <link rel="UP" title="Introduction" href="introduction.htm"> 12 <link rel="PREVIOUS" title="PGP Public Key " href="faqref.htm"> 13 <link rel="NEXT" title="Installation" href="installation.htm"> 14 </head> 15 16 <body class="SECT1" bgcolor="#FFFFFF" text="#000000" link= 17 "#0000FF" vlink="#840084" alink="#0000FF"> 18 <div class="NAVHEADER"> 19 <table summary="Header navigation table" width="100%" border= 20 "0" cellpadding="0" cellspacing="0"> 21 <tr> 22 <th colspan="3" align="center">LPRng Reference Manual: 5 23 Sep 2003 (For LPRng-3.8.22)</th> 24 </tr> 25 26 <tr> 27 <td width="10%" align="left" valign="bottom"><a href= 28 "faqref.htm" accesskey="P">Prev</a></td> 29 30 <td width="80%" align="center" valign="bottom">Chapter 1. 31 Introduction</td> 32 33 <td width="10%" align="right" valign="bottom"><a href= 34 "installation.htm" accesskey="N">Next</a></td> 35 </tr> 36 </table> 37 <hr align="LEFT" width="100%"> 38 </div> 39 40 <div class="SECT1"> 41 <h1 class="SECT1"><a name="AEN291">1.10. References and 42 Standards</a></h1> 43 44 <p>The following references and standards have been used in 45 the development of the <b class="APPLICATION">LPRng</b> 46 software.</p> 47 48 <div class="SECT2"> 49 <h2 class="SECT2"><a name="AEN295">1.10.1. RFCs</a></h2> 50 51 <p>During the early development of the Internet developers 52 did not want to go through the laborious process of 53 developing formal standards and applying to a standards 54 body such as the EIA, IEEE, or ISO. Instead, they called 55 the standards documents they developed [<span class= 56 "CITATION">Requests for Comments</span>]. These soon became 57 <span class="emphasis"><i class="EMPHASIS">de 58 facto</i></span> standards, and with the formal acceptance 59 of the TCP/IP protocol as a network standard, <span class= 60 "emphasis"><i class="EMPHASIS">de jure</i></span> as 61 well.</p> 62 63 <p>You can get copies of the RFCs from literally hundreds 64 of network sites, including <a href="http://www.isi.edu" 65 target="_top">http://www.isi.edu</a>, <a href= 66 "http://www.faqs.org/rfcs" target= 67 "_top">http://www.faqs.org/rfcs</a>, <a href= 68 "ftp://NIS.NSF.NET" target="_top">NIS.NSF.NET</a>, <a href= 69 "ftp://RFC.JVNC.NET" target="_top">RFC.JVNC.NET</a>, or <a 70 href="ftp://FTP.ISI.EDU" target="_top">FTP.ISI.EDU</a>.</p> 71 72 <p>The [<span class="CITATION">RFC1179 - Line Printer 73 Daemon Protocol</span>] describes the protocol used to 74 transfer jobs from client program to print server. See <a 75 href="rfc1179ref.htm">RFC1179</a> for more a discussion of 76 this protocol and more details about the RFC. The <a href= 77 "rfc1179.txt" target="_top">rfc1179.txt</a> file is 78 included in the <b class="APPLICATION">LPRng</b> 79 distribution documentation.</p> 80 </div> 81 82 <div class="SECT2"> 83 <h2 class="SECT2"><a name="POSTSCRIPT">1.10.2. 84 PostScript</a></h2> 85 86 <p>PostScript is one of the <span class="emphasis"><i 87 class="EMPHASIS">de facto</i></span> standards for print 88 jobs. The Adobe Corporation (<a href="http://www.adobe.com" 89 target="_top">http://www.adobe.com</a>) provides an 90 excellent set of references for the PostScript language. 91 They have made many of these available for downloading from 92 their web sites or have published them in book form.</p> 93 94 <p>The [<span class="CITATION">PostScript Language 95 Reference Manual</span>] contains a great deal of technical 96 information about the PostScript Language, and is the 97 language reference manual.</p> 98 99 <p>The [<span class="CITATION">PostScript Language Tutorial 100 and Cookbook</span>] is a very nice and easy to read 101 introduction to PostScript programming, and has some very 102 useful utilities. Combined with <a href= 103 "installation.htm#GHOSTSCRIPT">GhostScript</a> and the <a 104 href="installation.htm#GV">gv</a> display program you can 105 very easily learn to write your own small PostScript 106 programs, and more importantly, can learn to understand the 107 contents of PostScript files.</p> 108 109 <p>The [<span class="CITATION">PostScript Language Program 110 Design</span>] is the companion to the [<span class= 111 "CITATION">PostScript Language Tutorial and 112 Cookbook</span>], and has more complex examples of 113 PostScript programs. More importantly, it also introduces, 114 although without explanation, the PostScript Document 115 Structuring Conventions described in Appendix G of the The 116 [<span class="CITATION">PostScript Language Reference 117 Manual</span>]. This alone makes it useful.</p> 118 </div> 119 120 <div class="SECT2"> 121 <h2 class="SECT2"><a name="PCL">1.10.3. HP PCL 5</a></h2> 122 123 <p>The Hewlett-Packard (HP) PCL Printer Language is the 124 second de-facto standard for print jobs. Currently, 125 Hewlett-Packard makes documentation for PCL available 126 through their [<span class="CITATION">Developer 127 Program</span>]. You will need to register and then search 128 their site for the [<span class="CITATION">PCL 5 Printer 129 Language Reference Manual</span>].</p> 130 </div> 131 132 <div class="SECT2"> 133 <h2 class="SECT2"><a name="PJL">1.10.4. HP PJL</a></h2> 134 135 <p>The Hewlett-Packard (HP) Printer Job Language is used to 136 control various features of HP printers. The [<span class= 137 "CITATION">Printer Job Language Reference Manual</span>] is 138 also available from Hewlett-Packard (<a href= 139 "http://www.hp.com" target="_top">http://www.hp.com</a>) 140 through their [<span class="CITATION">Developer 141 Program</span>].</p> 142 </div> 143 144 <div class="SECT2"> 145 <h2 class="SECT2"><a name="AEN338">1.10.5. PDF</a></h2> 146 147 <p>The Portable Document Format (<var class= 148 "LITERAL">pdf</var>) was developed by Adobe to be a more 149 useful method of distributing documentation for view by 150 online systems and software. The [<span class= 151 "CITATION">Portable Document Format Reference 152 Manual</span>] is available from Adobe (<a href= 153 "http://www.adobe.com" target= 154 "_top">http://www.adobe.com</a>). While <var class= 155 "LITERAL">pdf</var> is not used directly as a print job 156 language, it is one of the more common formats for files 157 that need to be printed. It can be converted to PostScript 158 by most <var class="LITERAL">pdf</var> viewers such as 159 GhostScript and Adobe Acrobat.</p> 160 </div> 161 </div> 162 163 <div class="NAVFOOTER"> 164 <hr align="LEFT" width="100%"> 165 166 <table summary="Footer navigation table" width="100%" border= 167 "0" cellpadding="0" cellspacing="0"> 168 <tr> 169 <td width="33%" align="left" valign="top"><a href= 170 "faqref.htm" accesskey="P">Prev</a></td> 171 172 <td width="34%" align="center" valign="top"><a href= 173 "index.htm" accesskey="H">Home</a></td> 174 175 <td width="33%" align="right" valign="top"><a href= 176 "installation.htm" accesskey="N">Next</a></td> 177 </tr> 178 179 <tr> 180 <td width="33%" align="left" valign="top">PGP Public 181 Key</td> 182 183 <td width="34%" align="center" valign="top"><a href= 184 "introduction.htm" accesskey="U">Up</a></td> 185 186 <td width="33%" align="right" valign="top"> 187 Installation</td> 188 </tr> 189 </table> 190 </div> 191 </body> 192</html> 193 194