class OSUtils {

    public static String exeCmd(String command) throws IOException {
        StringTokenizer st = new StringTokenizer(command);
        String[] cmdArray = new String[st.countTokens()];
        for (int i = 0; st.hasMoreTokens(); i++) {
            cmdArray[i] = st.nextToken();
        }
        return exeShell(cmdArray);
    }

    private  OSUtils();

}