TCP:

server :
    - build and run by passing "port" as parameter (2000 as exemple).
    - After clients connect you can use _kill nameofclient to disconnect a client, _shdn 
        shutdown the server.
client :
    - build and run by passing "name" as parameter (unknown as exemple). then write " _connect name servername(127.0.0.1) port " to connect to the server 
     - you can use _who to see clients in the chatroom, _quit to exist the chatroom. 

UDP:

server:
    - build and run by passing "port" as parameter (2000 as exemple).
    - After clients connect you can use _kill nameofclient to disconnect a client, _shdn 
        shutdown the server.

client  :
    - build and run by passing "name" as parameter (unknown as exemple).
    - you can use _who to see clients in the chatroom, _quit to exist the chatroom.