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MS - DOS Command

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Short for Microsoft Disk operating system, MS-DOS is a non-graphical command line operating system derived from 86-DOS that was created for IBM compatible computers. MS-DOS originally written by Tim Paterson and introduced by Microsoft in August 1981 and was last updated in 1994 when MS-DOS 6.22 was released. Today, MS-DOS is no longer used; however, the command shell, more commonly known as the Windows command line is still used by many users. In the picture to the right, is an example of what a MS-DOS window more appropriately referred to as the Windows command line looks like under Microsoft Windows.

Microsoft DOS assign command

Quick links

About assign
Availability
Syntax
Examples
Additional information

About assign

Introduced with MS-DOS 2.0 and has been available up to 6.0 where it was removed because of concern with data issues. Was latter made available on the MS-DOS 6.0, 6.2 and 6.22 supplemental disks. The assign command redirects disk operation on one drive to a different drive.

Any users using Windows 95 or above should not use this command and consider using the SUBST command as a substitute.

Availability

The assign command is an external command file named assign.com and is available in the below Microsoft operating systems.

MS-DOS 2.0 - 6.0, 6.2, 6.22

Syntax

ASSIGN Source = Target /status

ASSIGN Assign with no switches cancels redirected drive assignments and sets them back to their original drives.
Source Letters of source drives
Target Letters of target drives
/status Lists current drive assignments

Examples

ASSIGN A: = B:
ASSIGN A =  B = C - Assigns A as B and B as C.

Additional information

The assign command does not work with format, diskcopy, diskcomp, backup, label, restore, print or subst.

Warning: Do not use a colon after a drive letter in versions prior to 5.0.


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