data loss

Introduction Data protection is a paramount concern in the digital world. Whether it involves critical business documents, personal photos, or system files, losing data can be a frustrating or even disastrous event. Thankfully, various technologies help protect against data loss, and one of the most effective mechanisms available in many Linux filesystems is known as 'journaling'. In this article, we’ll delve into the basics of filesystem journaling, how it works, and why it's an indispensable feature for enhancing data integrity. What is Filesystem Journaling? Filesystem journaling is a technique used by certain filesystems to help maintain data integrity by keeping track of changes not yet committed to the main part of the filesystem.