IF01068

NTFS

New Technology File System is the standard file system of Windows NT and its descendants Windows 2000, Windows XP, Windows Server 2003, and Windows Vista.

NTFS replaced Microsoft's previous FAT file system, used in MS-DOS and early versions of Windows. NTFS has several improvements over FAT such as improved support for metadata and the use of advanced data structures to improve performance, reliability, and disk space utilization plus additional extensions such as security access control lists and file system journaling. The exact specification is a trade secret, although (since NTFS v3.00) it can be licensed commercially from Microsoft through their Intellectual Property Licensing program.

NTFS has five versions:

·        v1.0

·        v1.1

·        v1.2 found in NT 3.51 and NT 4

·        v3.0 found in Windows 2000

·        v3.1 found in Windows XP, Windows Server 2003, and Windows Vista

These final three versions are sometimes referred to as v5.0, v5.1, and v6.0, after the version of Windows with which they ship. Each newer version added extra features, for example Windows 2000 introduced quotas.

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