install: various improvements

[elogind.git] / man / systemd.unit.xml

diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index df8761391cc4edb560db7396df945e31c6ebfa4f..a06eed58618011b1225d589185af682bb4dc32c2 100644 (file)
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -56,7 +56,8 @@
                 <filename>systemd.swap</filename>,
                 <filename>systemd.target</filename>,
                 <filename>systemd.path</filename>,
-                <filename>systemd.timer</filename></para>
+                <filename>systemd.timer</filename>,
+                <filename>systemd.snapshot</filename></para>
         </refsynopsisdiv>
 
         <refsect1>
@@ -94,7 +95,7 @@
                 additional information in the unit files.</para>
 
                 <para>Boolean arguments used in unit files can be
-                written in various forms. For positive settings the
+                written in various formats. For positive settings the
                 strings <option>1</option>, <option>yes</option>,
                 <option>true</option> and <option>on</option> are
                 equivalent. For negative settings the strings
@@ -105,7 +106,7 @@
                 <para>Time span values encoded in unit files can be
                 written in various formats. A stand-alone number
                 specifies a time in seconds. If suffixed with a time
-                unit, the unit is honored. A concatentation of
+                unit, the unit is honored. A concatenation of
                 multiple value with units is supported, in which case
                 the values are added up. Example: "50" refers to 50
                 seconds; "2min 200ms" refers to 2 minutes plus 200
@@ -113,7 +114,10 @@
                 are understood: s, min, h, d, w, ms, us.</para>
 
                 <para>Empty lines and lines starting with # or ; are
-                ignored. This may be used for commenting.</para>
+                ignored. This may be used for commenting. Lines ending
+                in a backslash are concatenated with the following
+                line while reading and the backslash is replaced by a
+                space character. This may be used to wrap long lines.</para>
 
                 <para>If a line starts with <option>.include</option>
                 followed by a file name the specified file will be
@@ -214,10 +218,10 @@
                         <varlistentry>
                                 <term><varname>Description=</varname></term>
                                 <listitem><para>A free-form string
-                                describing the unit. This is intended for use
-                                in UIs wanting to show
-                                descriptive information along with the
-                                unit name.</para></listitem>
+                                describing the unit. This is intended
+                                for use in UIs to show descriptive
+                                information along with the unit
+                                name.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
@@ -450,6 +454,34 @@
                                 <option>false</option>.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><varname>DefaultDependencies=</varname></term>
+
+                                <listitem><para>Takes a boolean
+                                argument. If <option>true</option>
+                                (the default), a few default
+                                dependencies will implicitly be
+                                created for the unit. The actual
+                                dependencies created depend on the
+                                unit type. For example, for service
+                                units, these dependencies ensure that
+                                the service is started only after
+                                basic system initialization is
+                                complete and is properly terminated on
+                                system shutdown. See the respective
+                                man pages for details. Generally, only
+                                services involved with early boot or
+                                late shutdown should set this option
+                                to <option>false</option>. It is
+                                highly recommended to leave this
+                                option enabled for the majority of
+                                common units. If set to
+                                <option>false</option> this option
+                                does not disable all implicit
+                                dependencies, just non-essential
+                                ones.</para></listitem>
+                        </varlistentry>
+
                 </variablelist>
 
                 <para>Unit file may include a [Install] section, which
@@ -464,7 +496,7 @@
                         <varlistentry>
                                 <term><varname>Alias=</varname></term>
 
-                                <listitem><para>Additional names, this
+                                <listitem><para>Additional names this
                                 unit shall be installed under. The
                                 names listed here must have the same
                                 suffix (i.e. type) as the unit file
@@ -509,7 +541,7 @@
                                 effect that when the listed unit name
                                 is activated the unit listing it is
                                 activated
-                                to. <command>WantedBy=foo.service</command>
+                                too. <command>WantedBy=foo.service</command>
                                 in a service
                                 <filename>bar.service</filename> is
                                 mostly equivalent to
@@ -549,7 +581,8 @@
                         <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>systemd.target</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>systemd.path</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
-                        <citerefentry><refentrytitle>systemd.timer</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+                        <citerefentry><refentrytitle>systemd.timer</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>systemd.snapshot</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 </para>
         </refsect1>