Want to understand NTFS, we should know FAT above all. FAT(File Allocation Table) is " file allocation is expressed " meaning. To us, its meaning depends on divisional to hard disk management. FAT16, FAT32, NTFS is current system of the commonnest 3 kinds of files.

FAT16: The DOS that uses before us, Windows 95 uses FAT16 file system, the system such as commonly used now Windows 98/2000/XP all supports FAT16 file system. It can arrive greatly with management most the partition of 2GB, but every partition can have 65525 bunch only at most (the configuration unit that bunch is disk space) . As the accretion of hard disk or divisional capacity, the space that every bunch place occupies will be larger and larger, bring about the waste of hard disk space thereby.

FAT32: As the occurrence of high capacity hard disk, begin from Windows 98, FAT32 begins popularity. The buildup that it is FAT16 version, can support arrive greatly 2TB (the partition of 2048GB) . The cluster that FAT32 uses is smaller than FAT16, thereby effective ground is managing hard disk space.

NTFS: The set operating system of kernel of Microsoft Windows NT supports, special add for network and disk quota, file wait for management closely the disk form that safe character designs. Gain ground as what be the Windows 2000/XP of the kernel with NT, user of very much individual began to use NTFS. NTFS also is store in order to form a cluster for the unit data file, but the size that forms a cluster in NTFS does not rely on disk or divisional size. Of bunch dimension contractible not only the waste that reduced disk space, still reduced the likelihood of generation disk fragment. NTFS supports a file to add close administration function, the security that can provide higher administrative levels for the user assures.

2, what system can support NTFS file system?

Only Windows NT/2000/XP ability identifies NTFS system, the operating system such as Windows 9x/Me and DOS cannot support, the disk that identifies NTFS pattern. Because DOS system does not support NTFS system, so had better not C: Condemn system of TFS of chart Chi 狽, facilitate after the system breaks down in DOS the system leaves repair so.

Ntfs and operating system bear circumstance watch

File system

Supportive operating system

Fat16

Windows 95/98/me/nt/2000/xp Unix, linux, dos

Fat32

Windows 95/98/me/2000/xp

Ntfs

Windows Nt/2000/xp

3, do I need NTFS?

Windows 2000/XP is to be down on file system compatible, it can support FAT16/FAT32 and NTFS well, among them NTFS is Windows NT/2000/XP special format, it can be more sufficient use class of file of disk space, support effectively to compress, the file security with be had better. If you install Windows 2000/XP only, the proposal selects NTFS file system. If multiple guiding system, criterion system dish (C dish) must be FAT16 or FAT32, do not support multiple guiding otherwise. Of course, the file system of other partition can be NTFS.
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