ext4

ext4, or Fourth Extended Filesystem, is a popular file system used in Linux operating systems. It organizes and manages how data is stored and retrieved on hard drives and SSDs. ext4 supports large files, speedy access, and efficient data management. It includes features like journaling, which helps prevent data loss during crashes by keeping a log of changes. This robustness makes ext4 reliable for both personal computers and servers. Overall, ext4 strikes a balance between performance and data integrity, making it a preferred choice for many Linux users.