ext4 (fourth extended filesystem)

Ext4, or Fourth Extended Filesystem, is a modern file system used primarily by Linux operating systems. It organizes and manages how data is stored and accessed on storage devices, such as hard drives and solid-state drives. Ext4 offers improved performance, reliability, and support for larger files compared to its predecessors. It features better journaling, which helps prevent data loss during crashes, and allows for efficient use of space. Overall, Ext4 is designed to keep your data safe and accessible, making it a popular choice for servers and personal computers alike.