NT. The following sections describe common additions you can make
to the Config.NT file.
106 CHAPTER 5 CREATING CMD AND BAT FILES
NOTE Some people may remember Config.SYS, the file that DOS uses to perform the same
configuration that Windows performs with Config.NT. In fact, some people try to move
Config.SYS to the Windows environment. Fortunately, the 32-bit version of Windows accepts
many older DOS commands even when it doesn??™t use them. For example, the FastOpen utility
provides a caching feature in DOS to make directory searches faster. Even though Windows provides
this file, too, it doesn??™t actually use the functionality and FastOpen doesn??™t actually perform
any task. Once you move to the 64-bit versions of Windows, much of this functionality is missing
completely. For example, you can??™t create a Config.NT file that contains a reference to the
FastOpen utility.
Using ANSI.SYS to Control the Environment
The ANSI.SYS device driver provides added functionality for applications at the command prompt.
By using special escape codes, you can create a character-based user interface for your batch files.
You can find a good listing of ANSI escape codes at http://www.
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