Indeed. It's impressive how they managed to extend it. Wikipedia provides some hints: > Although subsequent versions of Windows added new file system-related

Indeed. It's impressive how they managed to extend it. Wikipedia provides some hints: > Although subsequent versions of Windows added new file system-related features, they did not change NTFS itself. For example, Windows Vista implemented NTFS symbolic links, Transactional NTFS, partition shrinking, and self-healing.[21] NTFS symbolic links are a new feature in the file system; all the others are new operating system features that make use of NTFS features already in place. If I had to guess, most of these new functionalities leverage NTFS metadata: https://ntfs.com/ntfs-system-files.htm https://ntfs.com/ntfs-system-files.htm