(Everyone should know that the biggest feature of the local area network is that it can terminate the best use of resources, such as: shared disk devices, printers, etc., and then you can call files within the formed local area network, and you can print on any shared printer; of course; You can also use software such as Wingate or Sygate to share a Modem to surf the Internet; perhaps connect to the Internet through a proxy server and enjoy extraordinary speed.)