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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"

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<refentry id="systemd-delta">

<refentryinfo>

<title>systemd-delta</title>

<productname>systemd</productname>

<authorgroup>

<author>

<contrib>Developer</contrib>

<firstname>Lennart</firstname>

<surname>Poettering</surname>

<email>lennart@poettering.net</email>

</author>

</authorgroup>

</refentryinfo>

<refmeta>

<refentrytitle>systemd-delta</refentrytitle>

<manvolnum>1</manvolnum>

</refmeta>

<refnamediv>

<refname>systemd-delta</refname>

<refpurpose>Find overridden configuration files</refpurpose>

</refnamediv>

<refsynopsisdiv>

<cmdsynopsis>

<command>systemd-delta <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">SUFFIX</arg></command>

</cmdsynopsis>

</refsynopsisdiv>

<refsect1>

<title>Description</title>

<para><command>systemd-delta</command> may be used to

identify and compare configuration files in

<filename>/etc</filename> that override default

counterparts in <filename>/usr</filename>. The command

line argument can be one or more name of a subdirectories of

<filename>/etc</filename> or

<filename>/usr/lib</filename> to compare, such as

<filename>tmpfiles.d</filename>, <filename>sysctl.d</filename> or

<filename>systemd/system</filename>.</para>

<para>When no argument is specified a number of

well-known subdirectories are searched for overridden

files.</para>

</refsect1>

<refsect1>

<title>Options</title>

<para>The following options are understood:</para>

<variablelist>

<varlistentry>

<term><option>-h</option></term>

<term><option>--help</option></term>

<listitem><para>Prints a short help

text and exits.</para></listitem>

</varlistentry>

<varlistentry>

<term><option>--version</option></term>

<listitem><para>Prints a short version

string and exits.</para></listitem>

</varlistentry>

<varlistentry>

<term><option>--no-pager</option></term>

<listitem><para>Do not pipe output into a

pager.</para></listitem>

</varlistentry>

<varlistentry>

<term><option>-t</option></term>

<term><option>--type=</option></term>

<listitem><para>When listing the

differences, only list those that are

asked for. The list itself is a

comma-separated list of desired

difference types.</para>

<para>Recognized types are:

<variablelist>

<varlistentry>

<term><varname>masked</varname></term>

<listitem><para>Show masked files</para></listitem>

</varlistentry>

<varlistentry>

<term><varname>equivalent</varname></term>

<listitem><para>Show overridden

files that while overridden, do

not differ in content.</para></listitem>

</varlistentry>

<varlistentry>

<term><varname>redirected</varname></term>

<listitem><para>Show files that

are redirected to another.</para></listitem>

</varlistentry>

<varlistentry>

<term><varname>overridden</varname></term>

<listitem><para>Show overridden,

and changed files.</para></listitem>

</varlistentry>

<varlistentry>

<term><varname>extended</varname></term>

<listitem><para>Show *.conf files in drop-in

directories for units.</para></listitem>

</varlistentry>

<varlistentry>

<term><varname>unchanged</varname></term>

<listitem><para>Show unmodified

files too.</para></listitem>

</varlistentry>

</variablelist>

</para></listitem>

</varlistentry>

<varlistentry>

<term><option>--diff=</option></term>

<listitem><para>When showing modified

files, when a file is overridden show a

diff as well. This option takes a

boolean argument. If omitted it defaults

to <option>true</option>.</para></listitem>

</varlistentry>

</variablelist>

</refsect1>

<refsect1>

<title>Exit status</title>

<para>On success 0 is returned, a non-zero failure

code otherwise.</para>

</refsect1>

<refsect1>

<title>See Also</title>

<para>

<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>

</para>

</refsect1>

</refentry>