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+<?xml version="1.0"?>
+<!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!--
+ SPDX-License-Identifier: LGPL-2.1+
+-->
+<refentry id="systemd-remount-fs.service">
+
+ <refentryinfo>
+ <title>systemd-remount-fs.service</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-remount-fs.service</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-remount-fs.service</refname>
+ <refname>systemd-remount-fs</refname>
+ <refpurpose>Remount root and kernel file systems</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>systemd-remount-fs.service</filename></para>
+ <para><filename>/usr/lib/systemd/systemd-remount-fs</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-remount-fs.service</filename> is an
+ early boot service that applies mount options listed in
+ <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ to the root file system, the <filename>/usr</filename> file system,
+ and the kernel API file systems. This is required so that the
+ mount options of these file systems — which are pre-mounted by
+ the kernel, the initial RAM disk, container environments or system
+ manager code — are updated to those listed in
+ <filename>/etc/fstab</filename>. This service ignores normal file
+ systems and only changes the root file system (i.e.
+ <filename>/</filename>), <filename>/usr</filename> and the virtual
+ kernel API file systems such as <filename>/proc</filename>,
+ <filename>/sys</filename> or <filename>/dev</filename>. This
+ service executes no operation if <filename>/etc/fstab</filename>
+ does not exist or lists no entries for the mentioned file
+ systems.</para>
+
+ <para>For a longer discussion of kernel API file systems see
+ <ulink url="https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems">API
+ File Systems</ulink>.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>