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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><!-- Copyright 1997 The Open Group, All Rights Reserved --><title>pwd</title></head><body bgcolor=white><center><font size=2>The Single UNIX ® Specification, Version 2<br>Copyright © 1997 The Open Group</font></center><hr size=2 noshade><h4><a name = "tag_001_014_1821"> </a>NAME</h4><blockquote>pwd - return working directory name</blockquote><h4><a name = "tag_001_014_1822"> </a>SYNOPSIS</h4><blockquote><pre><code>pwd</code></pre></blockquote><h4><a name = "tag_001_014_1823"> </a>DESCRIPTION</h4><blockquote>The<i>pwd</i>utility will write an absolute pathname of the current working directoryto standard output.</blockquote><h4><a name = "tag_001_014_1824"> </a>OPTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1825"> </a>OPERANDS</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1826"> </a>STDIN</h4><blockquote>Not used.</blockquote><h4><a name = "tag_001_014_1827"> </a>INPUT FILES</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1828"> </a>ENVIRONMENT VARIABLES</h4><blockquote>The following environment variables affect the execution of<i>pwd</i>:<dl compact><dt><i>LANG</i><dd>Provide a default value for the internationalisation variablesthat are unset or null.If<i>LANG</i>is unset or null, the corresponding value from theimplementation-dependent default locale will be used.If any of the internationalisation variables contains an invalid setting, theutility will behave as if none of the variables had been defined.<dt><i>LC_ALL</i><dd>If set to a non-empty string value,override the values of all the other internationalisation variables.<dt><i>LC_MESSAGES</i><dd>Determine the locale that should be used to affectthe format and contents of diagnosticmessages written to standard error.<dt><i>NLSPATH</i><dd>Determine the location of message cataloguesfor the processing of<i>LC_MESSAGES .</i></dl></blockquote><h4><a name = "tag_001_014_1829"> </a>ASYNCHRONOUS EVENTS</h4><blockquote>Default.</blockquote><h4><a name = "tag_001_014_1830"> </a>STDOUT</h4><blockquote>The<i>pwd</i>utility output will bean absolute pathname of the current working directory:<p><code><tt>"%s\n"</tt>, <<i>directory pathname</i>></code></blockquote><h4><a name = "tag_001_014_1831"> </a>STDERR</h4><blockquote>Used only for diagnostic messages.</blockquote><h4><a name = "tag_001_014_1832"> </a>OUTPUT FILES</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1833"> </a>EXTENDED DESCRIPTION</h4><blockquote>None.<br></blockquote><h4><a name = "tag_001_014_1834"> </a>EXIT STATUS</h4><blockquote>The following exit values are returned:<dl compact><dt>0<dd>Successful completion.<dt>>0<dd>An error occurred.</dl></blockquote><h4><a name = "tag_001_014_1835"> </a>CONSEQUENCES OF ERRORS</h4><blockquote>If an error is detected, output will not be written to standardoutput, a diagnostic message will be written to standard error,and the exit status will not be zero.</blockquote><h4><a name = "tag_001_014_1836"> </a>APPLICATION USAGE</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1837"> </a>EXAMPLES</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1838"> </a>FUTURE DIRECTIONS</h4><blockquote>None.</blockquote><h4><a name = "tag_001_014_1839"> </a>SEE ALSO</h4><blockquote><i><a href="cd.html">cd</a></i>,the <b>XSH</b> specification description of<i><a href="../xsh/getcwd.html">getcwd()</a></i>.</blockquote><hr size=2 noshade><center><font size=2>UNIX ® is a registered Trademark of The Open Group.<br>Copyright © 1997 The Open Group<br> [ <a href="../index.html">Main Index</a> | <a href="../xshix.html">XSH</a> | <a href="../xcuix.html">XCU</a> | <a href="../xbdix.html">XBD</a> | <a href="../cursesix.html">XCURSES</a> | <a href="../xnsix.html">XNS</a> ]</font></center><hr size=2 noshade></body></html>⌨️ 快捷键说明
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