I/O Manager - File Systems
NTFS adds extends MS-DOS FAT and HPFS with:
- quick recovery of disk data after system failure.
- ability to handle very large files (approx. 17 billion Gbytes).
- security features (e.g., execute only files).
- support for POSIX OS environments
- features for future extensibility (e.g., transaction-based operations to enhance fault tolerance, user-controlled file version numbers, flexible options for file naming and file attributes).