In this project, you are required to use Linux socket programming to make a networked text message mailbox system.

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In this project, you are required to use Linux socket programming to make a networked text message mailbox system.

It should include at least two concurrently running programs, a server, and a client. A centralized server is responsible for managing the users, storing messages, communicating with clients. To use the message mailbox system, the user needs to log into the server using the client program.

The sender can (a) leave a message to one particular user, or (b) leave a message to all users. Upon receiving a message from a client, the server should record the message, the receiver ID, the timestamp, and a unique message ID. When the receiver logs into the system, it can request the server to (a) display all unread message left to it, (b) display all messages, (c) display only messages from a particular sender.

A default administrator user “admin” should be able to log into the server from the client program to create a new user, remove a user, display one or all messages, display messages from/to a particular user, delete one or all messages.

The server should store the messages and the user information in files persistently. A command line interface is needed for the interaction.

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