Introduction to FAT and NTFS

xiaoxiao2021-03-06  26

1, what is NTFS? If you want to know NTFS, we should first know FAT. FAT (File Allocation Table) is the meaning of "file allocation table". For us, its significance is to manage the hard disk partition. FAT16, FAT32, NTFS are currently the most common file systems. FAT16: We used DOS, Windows 95 uses the FAT16 file system, and now commonly used Windows 98/2000 / XP and other systems support the FAT16 file system. It can manage large to 2GB partitions, but only 65,525 clusters per partition (clusters are configurable units of disk space). As the hard disk or partition capacity increases, the space occupied by each cluster will be larger, resulting in a waste of hard disk space. FAT32: With the appearance of a large-capacity hard disk, starting from Windows 98, FAT32 begins popular. It is the enhancement version of FAT16, which can support partitions of 2TB (2048GB). The cluster used by FAT32 is smaller than FAT16, which effectively saves the hard disk space. NTFS: Microsoft Windows NT kernel's series of operating systems support, a disk format for management security features such as network and disk quotas, file encryption. With the popularity of Windows 2000 / XP with NT, many individual users have begun to use NTFS. NTFS is also a cluster to store data files, but the size of the clushes in NTFS does not depend on the size of the disk or partition. The reduction in the size of the cluster not only reduces the waste of disk space, but also reduces the possibility of generating disk fragments. NTFS supports file encryption management features to provide users with higher level security assurance. 2, what system can support NTFS file system? Only Windows NT / 2000 / XP can identify NTFS systems, Windows 9X / ME, and DOS and other operating systems that cannot be supported to identify disks of NTFS format. Since the DOS system does not support NTFS systems, it is best not to use C: disc to be made as NTFS system so that it is convenient to fix under the DOS system after the system crashes. NTFS and operating system support

File system supported operating system FAT16WINDOWS 95/98 / ME / NT / 2000 / XP UNIX, Linux, DOSFAT32WINDOWS 95/98 / ME / 2000 / XPNTFSWINDOWS NT / 2000 / XP

3, do I need NTFS? Windows 2000 / XP is compatible down on the file system, which can support FAT16 / FAT32 and NTFS well, where NTFS is a Windows NT / 2000 / XP-specific format, which can make more efficient use of disk space, support files Level compression, with better file security. If you only install Windows 2000 / XP, it is recommended to select the NTFS file system. If the multi-boot system, the system disk (C disk) must be FAT16 or FAT32, otherwise multiple boot is not supported. Of course, the file system of other partitions can be NTFS. 4. How do I convert the FAT partition to NTFS? Windows 2000 / XP provides "Convert.exe" partition format conversion tools. Convert.exe is a DOS command line program that came with Windows 2000. With this tool, the FAT can be converted to NTFS directly without damaging the FAT file system. Its usage is simple, first switched to the DOS command line window in the Windows 2000 environment, type: d:> Convert Requires the drive letter / fs: NTFS If the system E disk is FAT16 / 32, now need Convert to NTFS, you can use the following format: D:> Convert E: / fs: NTFS All conversions will be completed after the system is restarted. In addition, you can also use a dedicated conversion tool, such as the famous hard drive, non-destructive partition tool Partition Magic, is also very easy to use it to complete the disk file format. First select the partition that you want to convert in the disk partition list in the interface. Select the "CONVERT Partition" button from the interface button bar, or select the "Convert" command from the interface menu from the Interface Mench Bank "Operations". Activate the function interface. Select the conversion output in the interface to "NTFS", then click the "OK" button to return to the program main interface. Click "Apply" to add settings in the lower right corner of the interface. Thereafter, the system will reboot the startup and complete the conversion operation in the partition format. 5, although the NTFS format partition is superior, how do you find an unexpected lost file under this partition? You can use specialized software, such as Final Data for NTFS, or Get Data Back for NTFS. The file recovery effect of these two software is good. If there is no file operation after the file is deleted, the recovery rate is close to 100%. So don't wait until the file delete is installed, it is best to install with the Windows system and immediately perform the recovery operation immediately after the file error is deleted, and the deleted file can be recovered back. 6, my Windows 2000 / XP is installed in the C disk (NTFS format), if you can't enter the C drive in the DOS state, what should I do when Windows crashes? You can use Windows 2000 / XP installation CD to fix Windows, or install Windows 2000 / XP installation start-up emergency tray. Note: Windows 2000 installation disk creation program in the installation CD of the program, and Windows XP's emergency disk production is independent, you need to download from Microsoft's website. 7. Final Data for NTFS or GET DATA Back for NTFS can fix a hard disk that is unexpectedly formatted? can. Both software can restore the formatted deleted data (except low-level formatting). Conventional deletion is just data information, low-level formatting deletes all data area, when the hard disk technology is not as developing now, the disk surface is easy to wear. Hard disk users often have read errors, often using low-level formatting.

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