Anatomy of ext4
Get to know the fourth extended file system
From the developerWorks archives
Date archived: March 21, 2019 | First published: February 17, 2009
The fourth extended file system, or ext4, is the next generation of journaling file systems, retaining backward compatibility with the previous file system, ext3. Although ext4 is not currently the standard, it will be the next default file system for most Linux® distributions. Get to know ext4, and discover why it will be your new favorite file system.
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