Method system

src/examples/java/TestLog.java:103–109

(String command)

  }

  private static int system(String command)
      throws IOException, InterruptedException {
    Runtime r = Runtime.getRuntime();
    Process p = r.exec(command);
    p.waitFor();
    return p.exitValue();
  }

  private static void exit(int status) throws Exception {
    if (zkserver != null) {