MiniTalk

A simple data communication program that uses UNIX signals in the form of a client and a server. On startup, the server prints the Process ID of the server which is then passed as an argument to the client application.

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In this project, messages are sent bit by bit using bitwise operators. Communication is done using SIGUSR1 and SIGUSR2 UNIX signals only.

SIGUSR1 - for 1

SIGUSR2 - for 0

Messages are sent bit by bit, character by character and then later combined to form the final string (Supports all UNICODE characters including emojis).

Server initiation format

./server

The client takes two parameters:

• The server PID.
• The string to send.

Client initiation format:

./client [process_ID] [string_to_send]

Once the client sends a string, the server prints the message and also acknowldeges the message recieved by sending a signal back and printing a message on the client window.