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MFT is a unique, database-like structured file, named the Master File Table, internally $MFT.
The MFT contains a record for every file and folder on NTFS volume.
First 16 entries in the MFT are reserved for NTFS metadata -- the system files.
File attributes, size, date/time stamps, and permissions are saved in MFT entries.
When number of files grows, the size of the MFT increases.
When a file is deleted, the $MFT entry is marked free (to be reused by a new file in the future.)
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