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 DOSVERS()
 Evaluates which version of PC-DOS or MS-DOS is running.
 Returns <expC> DOS version number.

 Useful if your application does things that require specific
 versions of the operating system.

 IF VAL( DOSVERS() ) < 3.3
    ? "This software requires DOS 3.3 or later."
    QUIT
 ENDIF


             Placed in the Public Domain by Tom Rettig Assoc.

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