Command explanations : This switch prevents Inetutils installing a System Log Daemon, which is installed in the LFS Book. : This switch makes Inetutils compile against tcp-wrappers. Add this option if you want to utilize tcp-wrappers. : This switch will prevent Inetutils installing a whois client, since the included whois client is out of date. Add this option if you plan on installing . : This switch makes Inetutils link against Linux-PAM libraries. Add this option if you want to utilize PAM. : Some of the servers included with Inetutils are insecure in nature and in some cases better alternatives exist. You can choose this switch to enable only the servers you need, avoiding the installation of unneeded servers.