import java.io.*;

public class CWDSpace {

  public static void main(String[] args) {
    
    File cwd = new File(".");
    System.out.println("Total space on current partition:  " 
      + cwd.getTotalSpace() / (1024 * 1024) + " MB\t");
    System.out.println("Free space on current partition:  " 
      + cwd.getFreeSpace() / (1024 * 1024) + " MB\t");
    System.out.println("Usable space on current partition:  " 
      + cwd.getUsableSpace() / (1024 * 1024) + " MB");
  }
}