config/env/env.go
func MSet(keys, values []string) error {
	err := _MSet(_SETTINGS.user, keys, values)
	if err != nil {
		return err
	}

	if _SETTINGS.useKDE {
		return _MSet(_SETTINGS.kde, keys, values)
	}
	return nil
}
func MSet(keys, values []string) error {
	err := _MSet(_SETTINGS.user, keys, values)
	if err != nil {
		return err
	}

	if _SETTINGS.useKDE {
		return _MSet(_SETTINGS.kde, keys, values)
	}
	return nil
}
// MSet sets multiple values of the environment variables named by the keys
// that affects the current user.
// It returns an error, if any.