Calling Unix command from Java

Here is the code sample for calling Unix command from java. The below sample can only run the Unix command in the same system.


public class LinuxInJava {
    public static void main(String args[]) {
        String s;
        Process p;
        try {
            p = Runtime.getRuntime().exec("ls -aF");
            BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
            while ((s = br.readLine()) != null){
                System.out.println("line: " + s);
   
    }
            p.waitFor();
            System.out.println ("exit: " + p.exitValue());
            p.destroy();
        } catch (Exception e) {}
    }
}