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A memory-resident utility that enables selectable use of the extended screen and keyboard control sequences that normally require loading the ANSI.SYS device driver. Unlike ANSI.SYS, ANSI.COM supports all video modes, permits sizing and clearing the key-assignment buffer, and provides high-speed screen updating.-A memory-resident utility that enables se lectable use of the extended screen and keyboar d control sequences that normally require load ing the ANSI.SYS device driver. Unlike ANSI.SY S, ANSI.COM supports all video modes, permits sizing and clearing the key-assignmen t buffer, and provides high-speed screen updating.