Cfingerd is a free and secure finger daemon replacement for standard finger daemons such as GNU fingerd or MIT fingerd. It can enable/disable finger service to individual users, rather than to all users on a given host. -Cfingerd is a free and secure

为了确保调用，首先出一个子进程，父进程退出，然后子进程调用。创建守护进程-In order to ensure the call, first a child process, the parent process exits, then the child process calls. Create a daemon

Linux Mobile Node IPv6