Chapter 17. Understanding ANSI.SYS

What Is ANSI.SYS?

The term ANSI refers to the American National Standards Institute. ANSI is one of several sets of computer standards established by the institute to specify the codes that computer manufacturers can use to control video displays and keyboard mapping.

ANSI.SYS is a device driver, which means that it gives DOS additional control of the screen and keyboard devices beyond the control features built into the operating system. You use ANSI.SYS to enhance the functions of your video screen and keyboard. With ANSI.SYS, you can set screen colors, ...

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