Notes from Jacob K:

rc.conf: system configuration information

rc: command scripts for auto-reboot and daemon startup

inetd: internet "super-server"

/etc/inetd.conf - inetd configuration file

/etc/rpc - translation of service names to RPC program numbers

/etc/services - translation of service names to port numbers

/var/run/inetd.pid - the pid of the currently running inetd