<listitem><para>Slice units may be used to
group units which manage system processes
(such as service and scope units) in a
- hierachial tree for resource management
+ hierarchical tree for resource management
purposes. See
<citerefentry><refentrytitle>systemd.slice</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para></listitem>
*
* Representation of kernel sys devices. Devices are uniquely identified
* by their syspath, every device has exactly one path in the kernel sys
- * filesystem. Devices usually belong to a kernel subsystem, and and have
+ * filesystem. Devices usually belong to a kernel subsystem, and have
* a unique name inside that subsystem.
*/
Before=sockets.target
# Mount and swap units need this. If this socket unit is removed by an
-# isolate request the mount and and swap units would be removed too,
+# isolate request the mount and swap units would be removed too,
# hence let's exclude this from isolate requests.
IgnoreOnIsolate=yes