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· The EXT2 File System
· The EXT2 Inode
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Linux Tutorial - The Operating System - Files and File Systems - The EXT2 File System - EXT2 Directories
  EXT2 Files ---- The Virtual File System  


EXT2 Directories

Figure: EXT2 Directory

In the EXT2 file system, directories are special files that are used to create and hold access paths to the files in the file system. Figure  9.3 shows the layout of a directory entry in memory.

A directory file is a list of directory entries, each one containing the following information:

inode
The inode for this directory entry. This is an index into the array of inodes held in the Inode Table of the Block Group. In figure  9.3, the directory entry for the file called file has a reference to inode number i1,
name length
The length of this directory entry in bytes,
name
The name of this directory entry.

The first two entries for every directory are always the standard . and .. entries meaning "this directory" and "the parent directory" respectively.

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