Friday, October 15, 2010

NTFS Basics

The Windows NT file system (NTFS) provides a combination of performance, reliability, and compatibility not found in the FAT file system. 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.

Formatting 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 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. This file describes the basic NTFS volume information and a location of the main metadata file - $MFT.

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