//import java.io.BufferedReader;

import java.io.InputStream;

import java.io.IOException;

class Runls {

public static void main(String[] args) {

try

{

// Command to create an external process

String command = "ls";

InputStream iStream = null;

// Running the above command

Runtime run = Runtime.getRuntime();

Process proc = run.exec(command);

iStream = proc.getInputStream();

int line;

while ((line = iStream.read()) != -1) {

System.out.println(line);

}

}

catch (IOException e) {

e.printStackTrace();

}

}

}