socat tests v001 NOT working

socat - TCP4:www.example.com:80

lab08-3gb-e8400-bl64

socat - TCP4:lab08-3gb-e8400-bl64:80
socat - TCP4:www.example.com:80
socat - TCP4:www.example.com:80


socat TCP4-LISTEN:81 TCP4:192.168.1.200:80




socat /dev/ttyS2,b115200,raw,echo=0 TCP:192.168.1.200:7000





socat STDIO TCP4:localhost:1234

https://stackoverflow.com/questions/39723379/socat-run-script-in-bidirectional-tunnel
socat TCP4:192.168.1.49:9090 SYSTEM:"leafpad 'socat' &"


socat TCP4-L:3334,fork SYSTEM:"$INCOMING_STRING_OF_ARGS"
socat TCP4:192.168.1.49:3334 SYSTEM:"leafpad 'out going string of args' &"