    # This example allows network across multiple browser tabs by using BroadcastChannels.

    # Configure a static IP
    ifconfig eth0 up arp 10.5.0.x

    # Ping by IP
    ping 10.5.0.x

    # Run a DNS server and send a query (10.5.0.x for server, 10.5.0.y for record)
    echo "anotherhost 10.5.0.y" | dnsd -c - -v    - server
    nslookup -type=a anotherhost 10.5.0.x         - client

    # Telnet calculator
    socat TCP-L:23,fork exec:bc

    # Simple HTTP server
    socat TCP-L:80,crlf,fork system:'echo HTTP/1.1 200 OK;echo;lua /root/test.lua'