Extended File System (Ext)

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The Extended File System (Ext) is a family of file systems consisting of:

• ext
• ext2
• ext3
• ext4

Ext2

ext2 or the second extended file system is a Linux filesystem designed as a replacement for ext. Note that ext3 is mostly compatible with ext2.

External Links

Ext2

• Wikipedia article on EXT2
• Layout of the EXT2 Filesystem
• Linux Ext2fs Undeletion mini-HOWTO
• Using ext2 on other systems

Tools

The Sleuthkit and R-Studio can be used to perform recovery of data from the EXT2 filesystem. Various data carving tools like Foremost and Scalpel also support the ext2 filesystem.