What is a Linux file system

What is a Linux file system

The files in the Linux file system are a collection of data. The file system not only contains the data in the file but also There is also the structure of the file system, where all files, directories, soft links, and file protection information seen by Linux users and programs are stored.

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The Linux file system structure is as follows:

1. Boot block: in the file system The beginning of the block is usually a sector, which stores the boot program and is used to read and start the operating system;

2. Super block: used to record the management information of the file system. A specific file system defines a specific super block;

3. Inode area (index node): A file or directory occupies an index node. The first index node is the root node of the file system. Using the root node, you can hang a file system on a non-leaf node of another file system;

4. Data area: used to store file data or management data.

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