Anatomy of ext4

Get to know the fourth extended file system

From the developerWorks archives

M. Tim Jones

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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