3 <!DOCTYPE refentry PUBLIC
"-//OASIS//DTD DocBook XML V4.5//EN"
4 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
5 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
6 <refentry id=
"binfmt.d" conditional='ENABLE_BINFMT'
7 xmlns:
xi=
"http://www.w3.org/2001/XInclude">
10 <title>binfmt.d
</title>
11 <productname>systemd
</productname>
15 <refentrytitle>binfmt.d
</refentrytitle>
16 <manvolnum>5</manvolnum>
20 <refname>binfmt.d
</refname>
21 <refpurpose>Configure additional binary formats for
22 executables at boot
</refpurpose>
27 <member><filename>/etc/binfmt.d/*.conf
</filename></member>
28 <member><filename>/run/binfmt.d/*.conf
</filename></member>
29 <member><filename>/usr/lib/binfmt.d/*.conf
</filename></member>
34 <title>Description
</title>
37 <citerefentry><refentrytitle>systemd-binfmt.service
</refentrytitle><manvolnum>8</manvolnum></citerefentry>
38 reads configuration files from the above directories to register
39 in the kernel additional binary formats for executables.
</para>
43 <title>Configuration Format
</title>
45 <para>Each file contains a list of binfmt_misc kernel binary format rules. Consult the kernel's
<ulink
46 url=
"https://docs.kernel.org/admin-guide/binfmt-misc.html">Kernel Support for
47 miscellaneous Binary Formats (binfmt_misc)
</ulink> documentation file for more information on
48 registration of additional binary formats and how to write rules.
</para>
50 <para>Empty lines and lines beginning with
<literal>;
</literal> and
<literal>#
</literal> are ignored.
51 Note that this means you may not use those symbols as the delimiter in binary format rules.
</para>
54 <xi:include href=
"standard-conf.xml" xpointer=
"confd" />
57 <title>Example
</title>
59 <title>/etc/binfmt.d/wine.conf example:
</title>
61 <programlisting># Start WINE on Windows executables
62 :DOSWin:M::MZ::/usr/bin/wine:
</programlisting>
67 <title>See Also
</title>
69 <citerefentry><refentrytitle>systemd
</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
70 <citerefentry><refentrytitle>systemd-binfmt.service
</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
71 <citerefentry><refentrytitle>systemd-delta
</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
72 <citerefentry project='die-net'
><refentrytitle>wine
</refentrytitle><manvolnum>8</manvolnum></citerefentry>