It detects physical file system errors and silently fixes them on the fly.
3.
A special folder can either be a reference to a physical file system directory, or a reference to a " virtual " folder.
4.
Some virtual folders ( like Desktop ) have an accompanying special folder that is a reference to a directory on the physical file system.
5.
The second optional layer is the " virtual file system " . " This interface allows support for multiple concurrent instances of physical file systems, each of which is called a file system implementation ."
6.
You just pointed out some advantages of virtual file systems and I responded with some advantages of physical file systems . ( For a few more, they aren't vulnerable to hackers, are still accessible without electricity, and last longer . ) talk ) 16 : 27, 22 February 2015 ( UTC)
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