SUBST
Sign in to saveIn computing, SUBST is a command on the DOS, IBM OS/2, Microsoft Windows and ReactOS operating systems used for substituting paths on physical and logical drives as virtual drives.
~8 min read
Encyclopedic overview
17 sectionsContents
- Overview
- Syntax
- Parameters
- Examples
- Mapping a drive
- Unmapping a drive
- Custom label
- Persisting across reboots
- Registry (DOS Devices)
- Importing reg file
- Run on boot (batch)
- Run on boot (registry)
- Limitations
- See also
- References
- Further reading
- External links
In computing, SUBST is a command on the DOS, IBM OS/2, Microsoft Windows and ReactOS operating systems used for substituting paths on physical and logical drives as virtual drives.
==Overview== In MS-DOS, the SUBST command was added with the release of MS-DOS 3.1. The command is similar to floating drives, a more general concept in operating systems of Digital Research origin, including CP/M-86 2.x, Personal CP/M-86 2.x, Concurrent DOS, Multiuser DOS, System Manager 7, REAL/32, as well as DOS Plus and DR DOS (up to 6.0). DR DOS 6.0 includes an implementation of the command. The command is also available in FreeDOS and PTS-DOS. The Windows SUBST command is available in supported versions of the command line interpreter cmd.exe. In Windows NT, SUBST uses DefineDosDevice() to create the disk mappings.
Excerpted from Wikipedia’s “SUBST” article, available under the CC BY-SA 4.0 licence.