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-rw-r--r--man/systemd.timer.xml11
1 files changed, 11 insertions, 0 deletions
diff --git a/man/systemd.timer.xml b/man/systemd.timer.xml
index 7a4cd34887..ef89693f14 100644
--- a/man/systemd.timer.xml
+++ b/man/systemd.timer.xml
@@ -76,6 +76,17 @@
matching service <filename>foo.service</filename>. The
unit to activate may be controlled by
<varname>Unit=</varname> (see below).</para>
+
+ <para>Unless <varname>DefaultDependencies=</varname>
+ is set to <option>false</option>, timer units will
+ implicitly have dependencies of type
+ <varname>Conflicts=</varname> and
+ <varname>Before=</varname> on
+ <filename>shutdown.target</filename>. These ensure
+ that timer units are stopped cleanly prior to system
+ shutdown. Only timer units involved with early boot or
+ late system shutdown should disable this
+ option.</para>
</refsect1>
<refsect1>