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Map Local Windows Drive Path to a Drive Letter from the Command Line

If a long path is frequently accessed, assigning it to a spare drive letter can save time. This tech-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 it is 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, run the command without any options as shown below:


Quinn McHenry
Quinn McHenry
Quinn was one of the original co-founders of Tech-Recipes. He is currently crafting iOS applications as a senior developer at Small Planet Digital in Brooklyn, New York.


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