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NTFS – Latest, New Generation File System


In the early 1990’s Microsoft, recognizing that DOS based Windows was inadequate for the much heavier demands of business and industry, began work on different software designed for much larger systems than the home PC. At first this was a joint effort with IBM, using what became IBM OS/2 & employing a file system named HPFS (High Performance File System). As we all know, the cooperative attempt did not work out and the two companies soon went their own way. Microsoft developed the various Windows NT versions, which then morphed into Windows 2000 and now Windows XP. Each one of these operating systems has its own version of the file system NTFS, which has also undergone evolution.

Going into the details of NTFS architecture would be too overwhelming for this current article so I will limit myself to a few points. NTFS is much more flexible than FAT. Its system areas are almost all files instead of the fixed structures used in FAT. Since files are used, the system areas can be modified, enlarged or moved as is needed. An example of one of the several system files is the Master File Table (MFT). The MFT is a sort of relational database with a variety of information about all the files on the disk. If a file is small (1 KB or less) the MFT may even hold the file itself. For larger files NTFS uses clusters in assigning disk space but in a way different from FAT. The cluster size will not normally exceed 4 KB. A type of individual file compression is built in so that the problems with slack do not arise.

Because it is intended for multi-user environments, NTFS has much more security built in. For example, the XP Professional version (not the Home version) allows permissions and encrypting to be applied to individual files. While much more secure, XP is accordingly much harder to tinker with. That makes trouble-shooting and system tweaking more problematical. It also means that the user has to be very careful when setting up passwords and permissions on a system. Forgetting a password has much more serious consequences than it did in Windows 98.

The MFT & other System files occupy quite a bit of space so NTFS is not intended for small disks. Also the amount of memory required is substantial. These system overhead requirements, which formerly limited the use of Windows NT to larger computers, have largely disappeared as a factor with newer PCs and their much larger amounts of RAM and very large hard drives.

NTFS Give More Benefit  such as :

1.  Give More Security;

2.  Virus Cannot Attack Frequently & Quickly;

3.  Latest XP version  can run smoothly;

4.  Windows  Open More  Firstly;

5.  Windows made by Encrypted file & this Encrypted file can run quickly & better firstly run in NTFS System but in FAT System cannot read Encrypted File,  or this when FAT /FAT32 System used in XP then run slowly & maximum virus can easily attack the file and spread virus in the system.


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