import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

public class ExecProg {
    public static void main(String[] args) {
        Process proc;
        String befehl = "less /etc/fstab";
        Runtime run = Runtime.getRuntime();
        InputStream inStr = null;
        BufferedReader buff = null;
        try {
            proc = run.exec(befehl);
            inStr = proc.getInputStream();
            buff = new BufferedReader(new InputStreamReader(inStr));
            String str;
            while ((str = buff.readLine()) != null) {
                System.out.println(str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
        	try {
        		if (buff != null) buff.close();
        		if (inStr != null) inStr.close();
        	} catch (IOException ioe){}
        }
    }
}