WINDOWS-SUBST command to create a virtual disk

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1. The path of the command program:

C:\WINDOWS\system32\subst.exe

2. Instructions for use:

C:\Documents and Settings\administrator>subst/?

Associates a path with a drive letter.

SUBST [drive1: [Drive2:]path]

SUBST drive1:/d

DRIVE1: Specifies the virtual drive to assign the path to.

[Drive2:]path Specifies the physical drive and the virtual drive to be assigned to the

Path.

/d Delete the replaced (virtual) drive.

Type SUBST without any parameters to display a list of the current virtual drives.

3. Examples of Use:

First, create a virtual drive that is assigned to the destination path:

C:\Documents and Settings\administrator>subst Z:f:\qqdownload

Then, list the virtual drive inventory:

C:\Documents and Settings\administrator>subst

Z:\: = F:\QQDownload

Finally, delete the virtual drive that was replaced:

C:\Documents and Settings\administrator>subst Z:/d

Reference:

There's a command in the system to do this.
The most common way is to use the subst command, because the general computer comes with such a program. Here is the help for the subst command:
SUBST [drive1: [Drive2:]path]
SUBST drive1:/d
DRIVE1: Specifies the virtual drive to assign the path to.
[Drive2:]path Specifies the physical drive and the path to be assigned to the virtual drive.]
/d Delete the replaced (virtual) drive.
Type SUBST without any parameters to display a list of the current virtual drives.
Did you see that? If you want to set the "ABC" folder on the C drive as a virtual hard disk, the virtual hard disk has a drive letter of z and you can enter it at the command prompt:
Subst Z:C:\ABC
At this time, you can open my computer to the new B-drive.
If you want to delete the Z-disk you just created, you can enter:
Subst Z:/d

WINDOWS-SUBST command to create a virtual disk