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-rw-r--r--man/systemd.generator.xml5
1 files changed, 5 insertions, 0 deletions
diff --git a/man/systemd.generator.xml b/man/systemd.generator.xml
index 19ec586fa0..79c046faac 100644
--- a/man/systemd.generator.xml
+++ b/man/systemd.generator.xml
@@ -127,6 +127,11 @@
precedence.</para>
</listitem>
</orderedlist>
+
+ <para>Note: generators <emphasis>must not</emphasis> write to other locations or otherwise make changes
+ to system state. Generator output is supposed to last only until the next
+ <command>daemon-reload</command> or <command>daemon-reexec</command>; if the generator is replaced
+ or masked, its effects should vanish.</para>
</refsect1>
<refsect1>