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However, it is possible to mount non-letter drives, such as 1:, 2:, or !: using the command line SUBST utility in Windows XP or later (i.e. SUBST 1: C:\TEMP), but it is not officially supported and may break programs that assume that all drives are letters A: to Z:.
The command redirects requests for disk operations on one drive to a different drive. It can also display drive assignments or reset all drive letters to their original assignments. The command is available in MS-DOS versions 3 through 5 and IBM PC DOS releases 2 through 5. [1]
AUTOEXEC.BAT: This is run by the default shell (usually COMMAND.COM) to execute commands at startup. CONFIG.SYS: This contains statements to configure DOS and load device drivers. Standard DOS utility programs: APPEND: Set a search path for data files. ASSIGN: Redirect requests for disk operations on one drive to a different drive.
Drive: This command-line argument specifies the drive letter of the disk for which to display the volume label and serial number. Note: On Windows, the volume serial number is displayed only for disks formatted with MS-DOS version 4.0 or later. OS/2 allows the user to specify more than one drive. The vol command displays the volume labels ...
In MS-DOS, a batch file can be started from the command-line interface by typing its name, followed by any required parameters and pressing the ↵ Enter key. When DOS loads, the file AUTOEXEC.BAT, when present, is automatically executed, so any commands that need to be run to set up the DOS environment may be placed in this file.
CQS—Command–query separation; CQRS—Command Query Responsibility Segregation; CR—Carriage return; CRAN—Comprehensive R Archive Network; CRC—Cyclic redundancy check; CRLF—Carriage return line feed; CRM—Customer Relationship Management; CRS—Computer Reservations System; CRT—Cathode-ray tube; CRUD—Create, read, update and ...
Drive mapping is how MS-DOS and Microsoft Windows associate a local drive letter (A-Z) with a shared storage area to another computer (often referred as a File Server) over a network. After a drive has been mapped , a software application on a client 's computer can read and write files from the shared storage area by accessing that drive, just ...
In CP/M, DOS, Windows, and OS/2, the root directory is "drive:\", for example on modern systems, the root directory is usually "C:\". The directory separator is usually a "\", but many operating systems also internally recognize a "/". Physical and virtual drives are named by a drive letter, as opposed to being combined as one. [1]