Associates a path
with a drive letter.
SUBST drive1: /D
Specifies a virtual drive to which you want to assign a path.
[drive2:]path Specifies a physical drive and path
you want to assign to
a virtual drive.
Deletes a substituted (virtual) drive.
Type SUBST with no
parameters to display a list of current virtual drives.
SUBST a: .
Sets the directory you are in and subdirectories thereafter into
the A: drive. So if you were to type A: after doing this command
you would see everything in the directory that you typed this
you were to reboot your computer this will clear the SUBST
command and put your drives back to original letters (unless
command placed into the autoexec.bat).
cannot subst network drives.