Introduction Navigating the Linux filesystem hierarchy can be a daunting task for newcomers and even seasoned administrators. Unlike some other operating systems, Linux follows a unique directory structure that is both systematic and crucial for system management and operation. Understanding this structure is essential for efficient system administration, troubleshooting, and software management. In this article, we’ll dive deep into the Linux filesystem hierarchy, exploring each directory's purpose and significance.

This article aims to provide an understanding of some of the critical concepts within Linux filesystems: inodes, block sizes, and data structures, as well as to how these elements work together to manage and organize data efficiently in a Linux environment.

This article embarks on an exploration of LUKS and eCryptfs, shedding light on their mechanisms, benefits, and practical applications.

In this article, we embark on a journey through the fascinating landscape of Linux filesystems, with a special focus on Ext4, XFS, and Btrfs.