inetd – super server ps ax | grep inetd /etc/inetd.conf  or split into several files in /etc/inentd.d   socket type-  typoe connection, stream, dgram, raw protocol – TCP or USP   Restart server with /etc/rc.d/init.d/inetd  restart or reload   — vi /etc/inetd.conf #demo inet.d file ftp stream tcp nowait root/usr/sbin/tcpd /usr/bin/ftp —