62 lines
4.5 KiB
HTML
62 lines
4.5 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 name="Robots" content="index,follow" />
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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="concept" />
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<meta name="DC.Title" content="Volume, directory, and file names" />
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<meta name="abstract" content="Volume identifiers can be a maximum of 30 characters and must contain only alphabetic characters (A through Z), numeric characters (0 through 9), a hyphen (-), or a period (.). The first character must be alphabetic or numeric, and the identifier cannot contain imbedded blanks." />
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<meta name="description" content="Volume identifiers can be a maximum of 30 characters and must contain only alphabetic characters (A through Z), numeric characters (0 through 9), a hyphen (-), or a period (.). The first character must be alphabetic or numeric, and the identifier cannot contain imbedded blanks." />
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<meta name="DC.Relation" scheme="URI" content="rzam4universaldiskformat.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzam4udfvoldirfile" />
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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>Volume, directory, and file names</title>
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</head>
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<body id="rzam4udfvoldirfile"><a name="rzam4udfvoldirfile"><!-- --></a>
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<img src="./delta.gif" alt="Start of change" /><!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Volume, directory, and file names</h1>
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<div><p>Volume identifiers can be a maximum of 30 characters and must contain
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only alphabetic characters (A through Z), numeric characters (0 through 9),
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a hyphen (-), or a period (.). The first character must be alphabetic or numeric,
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and the identifier cannot contain imbedded blanks.</p>
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<p>Although not required, you can include one or more directories in the path
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name. Each element of the path can be a maximum of 254 characters with the
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total maximum path length of 256 characters. A path name can consist of any
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of the EBCDIC characters except x00-x3F, xFF, ″, *, <, >, ?, and \.</p>
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<p>The system stores all alphabetic characters for directory and file names
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to the media in uppercase when created through HFS or the i5/OS™ save interfaces.
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The system stores all alphabetic characters for directory and file names to
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the media in mixed case when created through the integrated file system interfaces.
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File name searches are case-insensitive meaning that you can use either uppercase
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or lowercase characters to access existing files.</p>
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<p>File searches on UDF volumes created by i5/OS are case-insensitive. For UDF media
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created or updated by another operating system platform, a case sensitive
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search is performed. If no case-sensitive match is found, a case-insensitve
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match is returned if it exists. If multiple case-insensitive matches exist
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on the UDF volume, an error will be returned indicating that ambiguous names
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exist on the media. Some optical commands, such as Copy Optical (CPYOPT),
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are not supported when duplicate, ambiguous file names exist. For example,
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UDF created on another operating system may allow files ABC.ext and abc.EXT
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to exist in the same directory. This is not supported by CPYOPT and may produce
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unpredictable results.</p>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzam4universaldiskformat.htm" title="UDF (Universal Disk Format) is the OSTA (Optical Storage Technology Association) supported subset of ISO/IEC 13346.">Universal disk format</a></div>
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</div>
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</div>
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<img src="./deltaend.gif" alt="End of change" /></body>
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</html>
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