</pre></blockquote>
<p>The RUNLEVEL and PREVLEVEL environment variables passed on from
-sysvinit is not set by upstart. Not sure if it is intentional or not
+sysvinit are not set by upstart. Not sure if it is intentional or not
to not be compatible with sysvinit in this regard.</p>
<p>For scripts needing to behave differently when upstart is used,