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An NTFS reparse point is a type of NTFS file system object. It is available with the NTFS v3.0 found in Windows 2000 or later versions. Reparse points provide a way to extend the NTFS filesystem. A reparse point contains a reparse tag and data that are interpreted by a filesystem filter driver identified by the tag.
The ntfs.sys released with Windows Vista made the functionality available to user mode applications by default. Since NTFS 3.1, a symbolic link can also point to a file or remote SMB network path. While NTFS junction points support only absolute paths on local drives, the NTFS symbolic links allow linking using relative paths.
CompactOS is not an extension of NTFS file compression and does not use the 'compressed' attribute; instead, it sets a reparse point on each compressed file with a WOF (Windows Overlay Filter) tag, [77] but the actual data is stored in an alternate data stream named "WofCompressedData", which is decompressed on-the-fly by a WOF filesystem ...
NTFS volume mount points are NTFS filesystem objects—implemented as NTFS reparse points—which are used to mount and provide an entry point to other volumes. Volume mount points are supported by NTFS 3.0, which was introduced with Windows 2000.
Reparse Point (L): The file or directory has an associated re-parse point, or is a symbolic link. Offline (O): The file data is physically moved to offline storage (Remote Storage). Sparse (P): The file is a sparse file, i.e., its contents are partially empty and non-contiguous. Temporary (T): The file is used for temporary storage.
ReFS supports many existing Windows and NTFS features such as BitLocker encryption, Access Control Lists, USN Journal, change notifications, [9] symbolic links, junction points, mount points, reparse points, volume snapshots, file IDs, and oplock.
Windows 2000 added support for reparse points (making NTFS junction points and Single instance storage possible), Hard links, file compression, and Sparse files. Encryption of data is provided by Encrypting File System. Symbolic links and transactioning of file operations via Transactional NTFS are features new to Windows Vista. Although ...
NTFS-3G supports hard links, symbolic links, and junctions. With the help of NTFS reparse point plugins, it can be made to read chunk-deduplicated files, system-compressed files, and OneDrive files. [11] NTFS-3G provides complete support and translation of NTFS access control list (ACL) to POSIX ACL permissions.