Subst
Updated: January 21, 2005
Associates a path with a drive letter. Used without parameters,
subst displays the names of the virtual drives in effect.
Syntax
subst [Drive1: [Drive2:]Path]
subst Drive1:/d
Parameters
Drive1:
Specifies the virtual drive to which you want to
assign a path.
Drive2:
Specifies the physical drive that contains the
specified path (if different from the current
drive).
Path
Specifies the path that you want to assign to a
virtual drive.
/d
Deletes a virtual drive.
/?
Displays help at the command prompt.
Remarks
-
The following commands do not work, or should not be used, on drives used in the subst command:
- chkdsk
- diskcomp
- diskcopy
- format
- label
- recover
-
The Drive1 parameter must be within the range specified by the lastdrive command. If not, subst displays the following error message:
Invalid parameter - drive1:
Examples
To create a virtual drive Z for the path B:\User\Betty\Forms,
type:
subst z: b:\user\betty\forms
Now, instead of typing the full path, you can reach this directory by typing the letter of the virtual drive, followed by a colon, as follows:
z:
Formatting legend
| Format | Meaning |
| Italic | Information that the user must supply |
| Bold | Elements that the user must type exactly as shown |
| Ellipsis (...) | Parameter that can be repeated several times in a command line |
| Between brackets ([]) | Optional items |
| Between braces ({}); choices separated by pipe (|). Example: {even|odd} | Set of choices from which the user must choose only one |
| Courier font | Code or program output |