Reference Guide - Hard Disk Drives  A Brief History of the Hard Disk Drive Construction and Operation of the Hard Disk Drive Hard Disk Geometry and Low-Level Data Structures Hard Disk Performance, Quality and Reliability Hard Disk BIOS and Capacity Factors Hard Disk Interfaces and Configuration Hard Disk Logical Structures and File Systems Operating Systems and File Systems PC File Systems Major Disk Structures and the Boot Process FAT File System Disk Volume Structures Volume Boot Sector File Allocation Tables Files, Directories, Paths and the Directory Tree Internal Directory Structures Root Directory and Regular Directories File Names and Extensions Long File Names File Attributes Clusters and File Allocation Partitioning, Partition Sizes and Drive Lettering Disk Partitioning and Formatting Programs Disk Compression Author: Charles M. Kozierok  The highest-level logical disk structures are the master boot record and partition tables, which define the way the entire disk is sized and organized. The next level down is the definition of each disk volume's structures. This is where we get down to the actual files and directories that are stored on the disk. This section takes a look at the disk volume structures used in the FAT file system. Next: Volume Boot Sector

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