Basically, to learn Unix you learn to understand and apply a small set of key ideas and achieve expertise by expanding both the set of ideas and your ability to apply them - Paul Murphy
{LISa is a small daemon which is intended to run on end user systems. It provides something like a "network neighbourhood", but only relying on the TCP/IP protocol stack, no smb or whatever. The information about the hosts in your "neighbourhood" is provided via TCP port 7741.}