Linux systems use a number of file system types – such as Ext, Ext2, Ext3, Ext4, JFS, XFS, ZFS, XFS, ReiserFS and btrfs.

The ext2 file system was introduced in 1993 and supported Linux features like symbolic links and long file names. It can now handle volumes up to 32 Tbytes and file sizes up to 2 Tbytes.

Most Linux systems today use a file system type called ext4. The “ext” part stands for “extended” and the 4 indicates that this is the 4th generation of this file system type.

The extended filesystem, otherwise known as ext, has been a fundamental part of Linux since before the 1.0 release in 1994. Currently the filesystem is on its fourth major revision, in use since it… ...

The newest member of the Ext file system, Ext4, became an official part of Linux last year with the release of the Linux 2.6.28 kernel. Since then, it’s become the default file system in some ...

This guide will take you deep into the core of Linux file permissions and ownership—what they are, how they work, how to modify them, and why they matter. Why File Permissions and Ownership Matter in ...