"Unix&linux Size Tutorial" Learning Note 6--unix file system

1:unix file Type-3 types

Normal files (regular files): Text files (plain text, scripts, source programs, configuration files, HTML, etc.), binary files (multimedia files, databases, etc.)

Directories: for organizing files

Pseudo-file: does not store data for the purpose of providing a service. Divided into three kinds:

Special files: Device drivers, file representations of physical devices (keyboards, monitors, etc.)

Named pipes: Directing the output of one program to the input of another program

Proc Files: for accessing kernel information

2: Special Documents

Special files are pseudo-files used to represent physical devices, located in the/dev directory .

These special files are mainly divided into three groups: hardware, terminal, pseudo-equipment.

"Unix&linux Size Tutorial" Learning Note 6--unix file system