This program allows two or more users to communicate with each other through a chat interface. It uses TCP protocol for establishing a reliable communication channel between the client and the server.

Features TCP/IP Communication: Client and server communicate over a TCP socket connection. String Transmission: Client sends a string (up to 80 characters) to the server. Server-Side Processing: ...

The server also has a TCP port number that identifies the type of service it provides. For instance, a client program looking for TCP ports 20 or 21 needs File Transfer Protocol services.