Overview of FAT, HPFS, and NTFS File Systems
Overview of FAT, HPFS, and NTFS File Systems Summary This article explains the differences between FAT, HPFS, and NTFS under Windows NT, and their advantages and disadvantages. It is divided into the following sections: FAT Overview HPFS Overview NTFS Overview NOTE: HPFS is only supported under Windows NT versions 3.1, 3.5, and 3.51. Windows NT 4.0 does not support and cannot access HPFS partitions. Also, the FAT32 file system is only supported in the Windows 98/95 and Windows 2000. More Information FAT OVERVIEW FAT is by far the most simplistic of the file systems supported by Windows NT. The FAT file system is characterized by the file allocation table (FAT), which is really a table that resides at the very "top" of the volume. To protect the volume, two copies of the FAT are kept in case one becomes damaged. In addition, the FAT tables and the root directory must be stored in a fixed location so that the system's boot files can be
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