import java.io.*;

public class testex1 {
  public static void main (String args[]) {
    try     {
      //Process p  = Runtime.getRuntime().exec("/usr/bin/ls");
      Process p  = Runtime.getRuntime().exec("/usr/bin/cp ppp pww");
      //DataInputStream dis = new DataInputStream(
      //		    new BufferedInputStream(p.getInputStream()));
      
      String s = null;
      //while ((s = dis.readLine()) != null) {
      //System.out.println(s);
      //}
    } catch (Exception e){
      System.out.println("the detailed msg:" + e);
    }
  }
}