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The MFT structure supports algorithms which minimize disk fragmentation. [94] A directory entry consists of a filename and a "file ID" (analogous to the inode number), which is the record number representing the file in the Master File Table. The file ID also contains a reuse count to detect stale references.
Microsoft Drive Optimizer (formerly Disk Defragmenter) is a utility in Microsoft Windows designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation.
IBM System/360 Operating System Multiprogramming with a Fixed Number of Tasks (MFT) is an example of static partitioning, and Multiprogramming with a Variable Number of Tasks (MVT) is an example of dynamic. MVT and successors use the term region to distinguish dynamic partitions from static ones in other systems. [2]
The benefit of FAT16 was the use of smaller clusters, making disk usage more efficient, particularly for large numbers of files only a few hundred bytes in size. As MS-DOS 3.0 formatted all 16 MB-32 MB partitions in the FAT16 format, a 20 MB hard disk formatted under MS-DOS 3.0 was not accessible by MS-DOS 2.0. [27]
WinDirStat is a free and open-source graphical disk usage analyzer for Microsoft Windows.It presents a sub-tree view with disk-use percentage alongside a usage-sorted list of file extensions that is interactively integrated with a colorful graphical display (a treemap).
The on-disk layout is more complex. [27] The earlier FAT file systems did not have such a table and were incapable of making hard links. NTFS also has a concept of inlining small files into the MFT entry. [28] The derived ReFS has a homologous MFT. ReFS has a 128-bit file ID; this extension was also backported to NTFS, which originally had a 64 ...
Master File Table, an integral component of the NTFS file system; Media Foundation Transform, a media processing plugin filter model in Microsoft Media Foundation; Multiprogramming with a Fixed number of Tasks, an option of the OS/360 operating system; Quarterdeck Manifest, a DOS system diagnostics tool by Quarterdeck Office Systems
Contig is designed to defragment individual files, [1] or specified groups of files, and does not attempt to move files to the beginning of the partition. Unlike the Windows built-in defragmenter tool, Contig can defragment individual files, individual directories, and subsets of the file system using wildcards.