What does socket file mean in linux

The socket file in Linux is a special type of file used to implement inter-process communication. Its functions are: 1. Provide a two-way communication mechanism between processes, which can be achieved through sockets. Files are used for data exchange and communication; 2. Used for network communication and a way to establish network connections; 3. In server-side application development, communicate with the client and process requests.

The operating system of this tutorial: Linux5.18.14 system, Dell G3 computer.

The Socket file in Linux is a special type of file used to implement inter-process communication. It is a file system-based communication mechanism that enables communication between processes on the same computer or between different computers.

The functions of the socket file include:

• Inter-process communication: The socket file provides a two-way communication mechanism between processes. One process can write data to a socket file, and other processes can read data from the file. This allows different processes to exchange data and communicate through socket files.

• Network communication: Socket files can also be used for network communication. In network programming, a socket file is a way to establish a network connection. By creating and using socket files, processes can communicate over a network, such as sending and receiving data via the TCP/IP or UDP protocols.

• Server-side applications: In server-side application development, socket files are widely used. Server processes can create and listen to socket files in order to wait for client connections. Once the client connects to the socket file, the server process can communicate with the client and handle the request.

In short, socket files provide a mechanism that allows processes to communicate on the same computer or network. It plays a key role in inter-process communication and network programming, allowing processes to exchange data and collaborate.

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