2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
4 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
7 xmlns:xi="http://www.w3.org/2001/XInclude">
9 <varlistentry id='help'>
10 <term><option>-h</option></term>
11 <term><option>--help</option></term>
13 <listitem id='help-text'>
14 <para>Print a short help text and exit.
18 <varlistentry id='version'>
19 <term><option>--version</option></term>
21 <listitem id='version-text'>
22 <para>Print a short version string and exit.</para>
26 <varlistentry id='no-pager'>
27 <term><option>--no-pager</option></term>
30 <para>Do not pipe output into a pager.</para>
34 <varlistentry id='no-pager-255'>
35 <term><option>--no-pager</option></term>
38 <para>Do not pipe output into a pager.</para>
40 <xi:include href="version-info.xml" xpointer="v255"/>
44 <varlistentry id='no-ask-password'>
45 <term><option>--no-ask-password</option></term>
47 <listitem><para>Do not query the user for authentication for privileged operations.</para></listitem>
50 <varlistentry id='legend'>
51 <term><option>--legend=</option><replaceable>BOOL</replaceable></term>
54 <para>Enable or disable printing of the legend, i.e. column headers and the footer with hints. The
55 legend is printed by default, unless disabled with <option>--quiet</option> or similar.</para>
59 <varlistentry id='no-legend'>
60 <term><option>--no-legend</option></term>
63 <para>Do not print the legend, i.e. column headers and the
64 footer with hints.</para>
68 <varlistentry id='cat-config'>
69 <term><option>--cat-config</option></term>
72 <para>Copy the contents of config files to standard output.
73 Before each file, the filename is printed as a comment.</para>
77 <varlistentry id='tldr'>
78 <term><option>--tldr</option></term>
81 <para>Copy the contents of config files to standard output. Only the "interesting" parts of the
82 configuration files are printed, comments and empty lines are skipped. Before each file, the filename
83 is printed as a comment.</para>
87 <varlistentry id='json'>
88 <term><option>--json=</option><replaceable>MODE</replaceable></term>
90 <listitem><para>Shows output formatted as JSON. Expects one of <literal>short</literal> (for the
91 shortest possible output without any redundant whitespace or line breaks), <literal>pretty</literal>
92 (for a pretty version of the same, with indentation and line breaks) or <literal>off</literal> (to turn
93 off JSON output, the default).</para></listitem>
96 <varlistentry id='signal'>
97 <term><option>-s</option></term>
98 <term><option>--signal=</option></term>
101 <para>When used with <command>kill</command>, choose which signal to send to selected processes. Must
102 be one of the well-known signal specifiers such as <constant>SIGTERM</constant>,
103 <constant>SIGINT</constant> or <constant>SIGSTOP</constant>. If omitted, defaults to
104 <option>SIGTERM</option>.</para>
106 <para>The special value <literal>help</literal> will list the known values and the program will exit
107 immediately, and the special value <literal>list</literal> will list known values along with the
108 numerical signal numbers and the program will exit immediately.</para>
112 <varlistentry id='image-policy-open'>
113 <term><option>--image-policy=<replaceable>policy</replaceable></option></term>
115 <listitem><para>Takes an image policy string as argument, as per
116 <citerefentry><refentrytitle>systemd.image-policy</refentrytitle><manvolnum>7</manvolnum></citerefentry>. The
117 policy is enforced when operating on the disk image specified via <option>--image=</option>, see
118 above. If not specified defaults to the <literal>*</literal> policy, i.e. all recognized file systems
119 in the image are used.</para></listitem>
122 <varlistentry id='esp-path'>
123 <term><option>--esp-path=</option></term>
126 <para>Path to the EFI System Partition (ESP). If not specified, <filename>/efi/</filename>,
127 <filename>/boot/</filename>, and <filename>/boot/efi/</filename> are checked in turn. It is
128 recommended to mount the ESP to <filename>/efi/</filename>, if possible.</para>
132 <varlistentry id='boot-path'>
133 <term><option>--boot-path=</option></term>
136 <para>Path to the Extended Boot Loader partition, as defined in the
137 <ulink url="https://uapi-group.org/specifications/specs/boot_loader_specification">Boot Loader Specification</ulink>.
138 If not specified, <filename>/boot/</filename> is checked. It is recommended to mount the Extended Boot
139 Loader partition to <filename>/boot/</filename>, if possible.</para>