| title | description | ROBOTS | ms.assetid | ms.date | ms.topic |
|---|---|---|---|---|---|
Windows Projected File System glossary |
Special terms used in ProjFS. |
NOINDEX, NOFOLLOW |
<GUID-GOES-HERE> |
01/17/2020 |
article |
Special terms used in ProjFS.
-
backing store
-
Provider-maintained hierarchical data that is projected into the file system as files and directories.
-
dirty placeholder
-
A file or directory that has been locally modified and is no longer a cache of its state in the provider's store. See Cache State in the Virtualization Root.
-
full file/directory
-
A file or directory that was created in the local file system, or a file that has been modified, making it no longer a cache of its state in the backing store. See Cache State in the Virtualization Root.
-
hydrated placeholder
-
A file whose content and metadata have been cached to disk. See Cache State in the Virtualization Root.
-
placeholder
-
A file or directory that is not fully present on disk. See Cache State in the Virtualization Root.
-
tombstone
-
A special hidden placeholder that represents an item that has been deleted from the local file system. See Cache State in the Virtualization Root.
-
virtual file/directory
-
A file or directory that does not physically exist on disk, but is projected into enumeration results. See Cache State in the Virtualization Root.
-
virtualization instance
-
An in-memory object that manages communication between the provider and ProjFS for the set of files and directories located under a particular virtualization root.
-
virtualization root
-
A directory in the file system under which the provider's data is projected.