# phpman > man > ExtUtils::MM_DOS(3perl)

## NAME
    [ExtUtils::MM_DOS](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMDOS/markdown) - DOS specific subclass of [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown)

## SYNOPSIS
      Don't use this module directly.
      Use [ExtUtils::MM](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMM/markdown) and let it choose.

## DESCRIPTION
    This is a subclass of [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown) which contains functionality for DOS.

    Unless otherwise stated, it works just like [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown).

### Overridden methods
    os_flavor
    replace_manpage_separator
        Generates Foo__Bar.3 style man page names

    xs_static_lib_is_xs

## AUTHOR
    Michael G Schwern <<schwern@pobox.com>> with code from [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown)

## SEE ALSO
    [ExtUtils::MM_Unix](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMMUnix/markdown), [ExtUtils::MakeMaker](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AMakeMaker/markdown)