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+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+<refentry id="binfmt.d" conditional='ENABLE_BINFMT'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>binfmt.d</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>binfmt.d</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>binfmt.d</refname>
+ <refpurpose>Configure additional binary formats for
+ executables at boot</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/etc/binfmt.d/*.conf</filename></para>
+ <para><filename>/run/binfmt.d/*.conf</filename></para>
+ <para><filename>/usr/lib/binfmt.d/*.conf</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>At boot,
+ <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ reads configuration files from the above directories to register
+ in the kernel additional binary formats for executables.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Configuration Format</title>
+
+ <para>Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's <ulink
+ url="https://docs.kernel.org/admin-guide/binfmt-misc.html">Kernel Support for
+ miscellaneous Binary Formats (binfmt_misc)</ulink> documentation file for more information on
+ registration of additional binary formats and how to write rules.</para>
+
+ <para>Empty lines and lines beginning with <literal>;</literal> and <literal>#</literal> are ignored.
+ Note that this means you may not use those symbols as the delimiter in binary format rules.</para>
+ </refsect1>
+
+ <xi:include href="standard-conf.xml" xpointer="confd" />
+
+ <refsect1>
+ <title>Example</title>
+ <example>
+ <title>/etc/binfmt.d/wine.conf example:</title>
+
+ <programlisting># Start WINE on Windows executables
+:DOSWin:M::MZ::/usr/bin/wine:</programlisting>
+ </example>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-binfmt.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry project='die-net'><refentrytitle>wine</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>