There are several file types in linux

1. Ordinary files (data files)

Identification: - Ordinary files are files used to store data, programs and other information. Generally, they are stored in external memory (disk) for a long time. Ordinary files are divided into text files and binary files.

2. Directory file

Identification: d. A directory file is a file composed of directory entries contained in a directory in the file system.

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3. Device file

Block device: identification: b

Character device: identification: c

The device file is a file used to provide a connection between the operating system and the device. In Linux systems, devices are treated as files, and operating devices is just like operating ordinary files. Each device corresponds to a device file, which is stored in the /dev directory.

4. Link file

Identification: l, similar to the shortcut under windows, links can be divided into soft links (symbolic links) and hard links.

5. Pipe file

Identification: p, Pipe file is a special file mainly used to transfer data between processes.

6. Socket file

Identification: s, a special file mainly used for network communication between different computers.

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