86 lines
5.6 KiB
HTML
86 lines
5.6 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Optical file system (QOPT)" />
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<meta name="abstract" content="The QOPT file system provides access to stream data that is stored on optical media." />
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<meta name="description" content="The QOPT file system provides access to stream data that is stored on optical media." />
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<meta name="DC.subject" content="file system, optical (QOPT), characteristics and limitations, optical (QOPT) file system, characteristics and limitations, QOPT file system" />
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<meta name="keywords" content="file system, optical (QOPT), characteristics and limitations, optical (QOPT) file system, characteristics and limitations, QOPT file system" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxfsknow.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxhfs.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxoptcase.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxoptpath.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxoptlinks.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxoptcom.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaaxoptapi.htm" />
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<meta name="DC.Relation" scheme="URI" content="../books/sc415310.pdf" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzaaxoptfs" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Optical file system (QOPT)</title>
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</head>
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<body id="rzaaxoptfs"><a name="rzaaxoptfs"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Optical file system (QOPT)</h1>
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<div><p>The QOPT file system provides access to stream data that is stored
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on optical media.</p>
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<div class="section"><p>In addition, it:</p>
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<ul><li>Provides a hierarchical directory structure similar to PC operating systems
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such as DOS and OS/2<sup>®</sup>.</li>
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<li>Is optimized for stream file input and output.</li>
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<li>Supports data stored in stream files.</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Use QOPT through the integrated file
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system</h4><p>The QOPT file system can be accessed through the integrated
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file system using either the PC server or the integrated file system commands,
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user displays, and APIs.</p>
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<p>In using the integrated file system interface,
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you should be aware of the following considerations and limitations.</p>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzaaxhfs.htm">Integrated file system and HFS in the QOPT file system</a></strong><br />
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<span>Operations can be performed on objects
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in the QOPT file system through either the integrated file system interface
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or APIs provided by a hierarchical file system (HFS).</span></li>
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<li class="ulchildlink"><strong><a href="rzaaxoptcase.htm">Case-sensitivity in the QOPT file system</a></strong><br />
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<span>Depending on the format of the optical
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media, case may or may not be preserved when creating files or directories
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in QOPT. However, file and directory searches are case-insensitive regardless
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of the optical media format.</span></li>
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<li class="ulchildlink"><strong><a href="rzaaxoptpath.htm">Path names in the QOPT file system</a></strong><br />
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The path name must begin with a slash (/). The path is made up of the file system name, the volume name, the directory and subdirectory names, and the file name.</li>
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<li class="ulchildlink"><strong><a href="rzaaxoptlinks.htm">Links in the QOPT file system</a></strong><br />
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The QOPT file system supports only one link to an object. Symbolic links cannot be created or stored in QOPT.</li>
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<li class="ulchildlink"><strong><a href="rzaaxoptcom.htm">Use integrated file system commands and displays in the QOPT file system</a></strong><br />
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Many integrated file system commands and displays are valid in the QOPT file system.</li>
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<li class="ulchildlink"><strong><a href="rzaaxoptapi.htm">Use integrated file system APIs in the QOPT file system</a></strong><br />
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Many integrated file system APIs are valid in the QOPT file system.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaaxfsknow.htm" title="A file system provides you the support to access specific segments of storage that are organized as logical units. These logical units on your server are files, directories, libraries, and objects.">Work with file systems</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../books/sc415310.pdf" target="_blank">Optical device programming</a></div>
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</div>
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</div>
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</body>
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</html>
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