The scripts found in
<filename>/etc/rc.d/
</filename> are for applications that are part of the
<quote>base
</quote> system, such as
<citerefentry><refentrytitle>cron
</refentrytitle><manvolnum>8
</manvolnum></citerefentry>,
<citerefentry><refentrytitle>sshd
</refentrytitle><manvolnum>8
</manvolnum></citerefentry>, and
<citerefentry><refentrytitle>syslog
</refentrytitle><manvolnum>3
</manvolnum></citerefentry>. The scripts in
<filename>/usr/local/etc/rc.d/
</filename> are for user-installed applications such as
<application>Apache
</application> and
<application>Squid
</application>.