Map local Windows drive path to a drive letter from the command line

Contributed by qmchenry  
Tagged: Windows  

If a long path is frequently accessed, assigning it to a spare drive letter can save time. This recipe describes assigning a drive letter to a local drive path from the command line.

The subst command allows the substitution of a drive letter for a local drive path. For example, to map the drive C:\Documents and Settings\Quinn\My Documents to the drive Q: use the following command:

subst Q: "C:\Documents and Settings\Quinn\My Documents"

Once run, Q: should appear in the My Computer listing as a drive. Referencing a file in Q:\ will actually reference the file in the full path substituted above.

To review the existing drive substitutions, just run the command without any options:

subst