Any drive letter that is not currently used to represent a physical drive can be defined as a virtual drive.
A virtual drive is a folder of a physical drive that acts like it is a separate drive, unto itself.
SUBST w: C:\documents\my
Virtual drive definitions are permanent, until explicitly released.
Virtual drive definitions are permanent, until explicitly released.
SUBST w: /D
To find out what virtual drives are currently defined, just type SUBST on a line by itself:
SUBST
When deleting any files via a virtual drive letter reference, the files are deleted immediately, bypassing the recycle been.
Visual Subst is a small tool that allows you to associate the most accessed directories with virtual drives. It uses the same API similar to the console 'subst' utility, but makes it easier to create and remove virtual drives in a GUI way.