# Operating System
All Operating System notes →1 — File System Basics
Covers files, directories, metadata, inodes, and links.
operating-system file-systems book
2 — File System Internals
Covers journaling, copy-on-write, and the internals of ext4, XFS, Btrfs, NTFS, and APFS.
operating-system file-systems book
3 — Storage Management
Covers disk scheduling, RAID, SSD internals, TRIM, and the filesystem cache.
operating-system file-systems book