Filesystems

Filesystems are a method for organizing, storing, and retrieving data on storage devices like hard drives, SSDs, or network storage. They define how data is structured into files and directories, manage metadata (e.g., permissions, timestamps), and handle operations such as reading, writing, and deleting. Common examples include NTFS for Windows, ext4 for Linux, and APFS for macOS.

Also known as: File Systems, File System, FS, Storage Systems, Disk Management

Why learn Filesystems?

Developers should learn about filesystems to optimize data storage, ensure application performance, and handle cross-platform compatibility in software development. This is crucial for tasks like file I/O operations, database management, and system administration, especially when dealing with large datasets, backup systems, or embedded devices.

Learning Resources

• docs: Filesystem Hierarchy Standard
• tutorial: Linux Filesystem Explained
• course: Filesystems on Coursera
• video: Filesystem Basics Video
• book: Modern Operating Systems Book