LASTDRIVE

The description below is from the book
DOS the Easy Way by Everett Murdock Ph.D.

CLICK HERE for information about downloading the book.
Type: Internal (3.0 and later)

Syntax:

LASTDRIVE=(drive letter)

Purpose: Used in the CONFIG.SYS file to set the maximum number of drives that can be accessed.

Discussion

If you set the available disk drives to a letter value lower than that required by your existing system, DOS will automatically override the letter value to accommodate the drives installed in your system. You should only increase the number of drives if you are actually going to be using additional drives because each drive letter above E decreases the amount of RAM available for other purposes.

You do not need to use LASTDRIVE to assign a drive letter to devices that are loaded in your CONFIG.SYS file.

For more information about the LASTDRIVE command, see Chapter 6, Tips for Advanced Users, in the downloadable book DOS the Easy Way.

Option

drive letter - Specifies the last disk drive (A to Z) that will be available. The default is E or the last drive specification in use on your system.

Example

To increase the number of drives that can be accessed by DOS to 4, enter the following

lastdrive=d

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