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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry xml:id="function.posix-uname" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>posix_uname</refname>
<refpurpose>Get system name</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>posix_uname</methodname>
<void/>
</methodsynopsis>
<para>
Gets information about the system.
</para>
<para>
Posix requires that assumptions must not be made about the
format of the values, e.g. the assumption that a release may contain
three digits or anything else returned by this function.
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a hash of strings with information about the
system. The indices of the hash are
<itemizedlist>
<listitem><simpara>
sysname - operating system name (e.g. Linux)
</simpara></listitem>
<listitem><simpara>
nodename - system name (e.g. valiant)
</simpara></listitem>
<listitem><simpara>
release - operating system release (e.g. 2.2.10)
</simpara></listitem>
<listitem><simpara>
version - operating system version (e.g. #4 Tue Jul 20
17:01:36 MEST 1999)
</simpara></listitem>
<listitem><simpara>
machine - system architecture (e.g. i586)
</simpara></listitem>
<listitem><simpara>
domainname - DNS domainname (e.g. example.com)
</simpara></listitem>
</itemizedlist>
</para>
<para>
domainname is a GNU extension and not part of POSIX.1, so this
field is only available on GNU systems or when using the GNU
libc.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Example use of <function>posix_uname</function></title>
<programlisting role="php">
<![CDATA[
<?php
$uname=posix_uname();
print_r($uname);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Array
(
[sysname] => Linux
[nodename] => funbox
[release] => 2.6.20-15-server
[version] => #2 SMP Sun Apr 15 07:41:34 UTC 2007
[machine] => i686
)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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