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cmd.exe in Windows NT 2000, 4DOS, 4OS2, 4NT, and a number of third-party solutions allow direct entry of environment variables from the command prompt. From at least Windows 2000, the set command allows for the evaluation of strings into variables, thus providing inter alia a means of performing integer arithmetic.
Typing the drive letter as a command on its own changes the working drive, e.g. C:; alternatively, cd with the /d switch may be used to change the working drive and that drive's working directory in one step. Modern versions of Windows simulate this behaviour for backwards compatibility under CMD.EXE. [10]
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 computing, label is a command included with some operating systems (e.g., DOS, [1] IBM OS/2, [2] Microsoft Windows [3] and ReactOS [4]).It is used to create, change, or delete a volume label on a logical drive, such as a hard disk partition or a floppy disk.
This use of slash can still be found in the command interface under Microsoft Windows. By contrast, Unix uses the hyphen-minus character ("-") as a command-line switch prefix. When directory support was added to MS-DOS in version 2.0, "/" was kept as the switch prefix character for backward compatibility .
MS-DOS command prompt with drive letter C as part of the current working directory. File Manager displaying the contents of drive C.. In computer data storage, drive letter assignment is the process of assigning alphabetical identifiers to volumes.
convert is an external command first introduced with Windows 2000. [2] If the drive cannot be locked (for example, the drive is the system volume or the current drive) the command gives the option to convert the drive the next time the computer is restarted.
The command is also available in FreeDOS [5] and PTS-DOS. [6] The Windows SUBST command is available in supported versions of the command line interpreter cmd.exe. [7] In Windows NT, SUBST uses DefineDosDevice() to create the disk mappings. The JOIN command is the "opposite" of SUBST, because JOIN will take a drive letter and make it appear as ...