<para>If set to
<option>simple</option> (the default
- value if <varname>BusName=</varname>
- is not specified), it is expected that
- the process configured with
+ value if neither
+ <varname>Type=</varname> nor
+ <varname>BusName=</varname> are
+ specified), it is expected that the
+ process configured with
<varname>ExecStart=</varname> is the
main process of the service. In this
mode, if the process offers
<programlisting>ExecStart=/bin/sh -c 'dmesg | tac'
</programlisting>
- <para>Only select environment variables
+ <para>Only select environment variables that
are set for executed commands. See
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
</para>