Linux file system

Types of file systems for Linux:

Ext (2.3.4), XFS,FFS,UFS,REISERFS,JFS,

Swap file system: Swap

Network File system: NFS,SMBFS

Distributed File System: Ceph

Disc File system: isso9660

Btrfs

Linux File System architecture:

Note: The picture comes from "Bird's-brother private cuisine"

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6E/C5/wKiom1WGdaCxL-6AAAIGzHvttqY208.jpg "title=" Clip_ Image001_2.png "alt=" Wkiom1wgdacxl-6aaaigzhvttqy208.jpg "/>

Common ext2.3.4 File System (ext2 not logged):

    the ext class file System is made up of manyBlock Groupblock groups have their own metadata area and data area

Block groups: Boot blocks, super blocks, normal blocks.

        Metadata Store:

                  inode : Index node

inode number : inode node number

permissions for file : Owner, genus Group, other user

: The owner of the file

: The genus Group of files

: Access time, modification time, change time

Data area: Storing non-metadata

Linux file system