What is File Allocation Table and Contents Area
Posted in Hard Disk Data Recovery by manyu time 24 Dec
 FAT (File Allocation Table) that is the file allocation table, is DOS/Win9x system file addressing system, In order to ensure data security , FAT general have two, the second FAT for the first FAT backup, FAT area nearly after the OBR , its size is determined by the partition size and file allocation unit size. FAT format has always been a lot of options, Microsoft’s DOS and Windows use FAT12, FAT16 and FAT32 format, but there is not no other format FAT, such as Windows NT, OS / 2, UNIX / Linux, Novell and so on have their own document management.
 DIR is the shorthand of root directory area, DIR nearly after the second FAT table, FAT file only can not locate the position in the disk, FAT and DIR must meet in order to accurately locate the file location. DIR recorded each starting unit (this is the most important) of the file (directory), the file attributes and so on. Locate the file location, operating system, according to starting unit in the DIR, combined with FAT table know the specific location of the file on disk and the size. After the DIR Zone, is the true sense of the data storage area, that is, DATA area.
