Extended file system (ext)
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 file system designed as a replacement for ext.
Ext3
ext3 or the third extended file system is a Linux file system. Its main advantage over ext2 is journalling which improves reliability and eliminates the need to check the file system after an unclean shutdown.
Note that ext3 is mostly compatible with ext2.
Ext4
ext4 or the fourth extended file system is a Linux file system.
External Links
Ext2
- Wikipedia: ext2
- Layout of the ext2 Filesystem
- Linux Ext2fs Undeletion mini-HOWTO
- Ext2 Filesystem for Linux and Solaris, by Cmihai, November 3, 2007
Ext3
Tools
Tools that can be used to perform recovery of data from an ext2 file system.
- The Sleuth Kit
- R-Studio