You can use these commands only in your Config.sys file. The value of n must be in the range 1 through 99. The default is 30. The value of m must be in the range 0 through 8. You can use this command only in your Config.sys file.
Parameters xxx Specifies the country code.
Specifies the character set for the country. Loads into memory the device driver you specify. You can use this command only in your Config.sys file. Loads a device driver you specify into the upper memory area. Loading a device driver into the upper memory area frees more bytes of conventional memory for other programs.