NTFS Basics

http://ntfs.com/ntfs_basics.htm

Journaling File System

https://en.wikipedia.org/wiki/Journaling_file_system

NTFS Cluster

https://flatcap.org/linux-ntfs/ntfs/concepts/clusters.html

NTFS In More Detail

http://www.cse.scu.edu/~tschwarz/coen252_07Fall/Lectures/NTFS.html