Every sector on an NTFS volume that is allocated belongs to some file. Basically, everything on the volume is a file and everything in a file is an attribute, from the data attribute, to the security attribute, to the file name attribute. The NTFS file system has a simple, yet very powerful design. NTFS is the only file system on Windows NT that allows you to assign permissions to individual files. While folders shared on a Windows NT computer are assigned particular permissions, NTFS files and folders can have permissions assigned whether they are shared or not. The NTFS file system also supports data access control and ownership privileges that are important for the integrity of critical data. The NTFS file system includes security features required for file servers and high-end personal computers in a corporate environment. The following figure illustrates the layout of an NTFS volume when formatting has finished. This file describes the basic NTFS volume information and a location of the main metadata file - $MFT. The first information on an NTFS volume is the Partition Boot Sector ($Boot metadata file), which starts at sector 0 and can be up to 16 sectors long. It is designed to quickly perform standard file operations such as read, write, and search - and even advanced operations such as file-system recovery - on very large hard disks.įormatting a volume with the NTFS file system results in the creation of several system (metadata) files such as $MFT - Master File Table, $Bitmap, $LogFile and others, which contains information about all the files and folders on the NTFS volume. The Windows NT file system (NTFS) provides a combination of performance, reliability, and compatibility not found in the FAT file system.
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