ext2, or second extended file system, is a file system for the Linux kernel. It was initially designed by French software developer Rémy Card as a replacement for the extended file system (ext).

Written by R'emy Card, Theodore Ts’o and Stephen Tweedie, it was a major rewrite of the Extended Filesystem. It is currently still (April 2001) the predominant filesystem in use by Linux. There are also …

Oct 19, 2025 · Ext2 served as the de facto filesystem of Linux for nearly a decade from the early 1990s to the early 2000s when it was superseded by the journaling file systems ext3 and ReiserFS.

Ext2 shares many properties with traditional Unix filesystems. It has space in the specification for Access Control Lists (ACLs), fragments, undeletion and compression.

Sep 28, 2025 · The Ext2 is defined as a second extended file system. It was introduced in 1993, and it is the first commercial file system designed to overcome the limitation of the Ext file system.

Feb 6, 2025 · What Is the ext2 File System? The second extended file system (ext2) is a disk-based file system designed for Linux, introduced in 1993 as an improvement over the original Extended …

The second, third, and fourth extended file systems, or ext2, ext3, and ext4 as they are commonly known, are Linux file systems that have historically been the default file system for many Linux …

Ext2 was designed to be a high-performance and efficient file system, capable of handling larger files and volumes. It provides a stable structure for organizing files on a disk, helping Linux systems run …

Dec 12, 2024 · Ext2 was introduced in 1993 as a replacement for the earlier Extended Filesystem (ext). Designed by Rémy Card, ext2 was aimed at providing improved performance and functionality while …

This article provides an in-depth look at the history and development of the Linux ext file system series, detailing the evolution from ext2 in 1993 to ext4 in 2008.