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Types of file systems:
File system types can be classified into disk file systems, network file systems and special purpose file systems.
Disk file systems:
A disk file system is a file system designed for the storage of files on a data storage device, most commonly a disk drive, which might be directly or indirectly connected to the computer. Examples of disk file systems include FAT, NTFS, ext2, ISO 9660 and ODS-5.
FAT:
It resides on a data storage device such as a hard disk or flash memory card indicating the status and location of all data clusters that are on the device. The file allocation table can be considered a "table of contents" of a memory card. If the file allocation table is damaged or lost, then the card is unreadable. 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.
