It takes two or more computers and a hub, switch, or router and some Cat5 cable with ends.
Ethernet
With 2 or more computers and a hub, switch, or router. And some Cat5 cable with ends.
You connect two or more computers with a switch. You will need a device to act as a DHCP server and probably a DNS server. If that all sounds over your head, you should probably call someone.A home...
there is a software called Cain and Abel its help 2 hack any kind of network connection(lan...wireless..etc.,)
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Tech Topics - Wireless or Wired LAN?