//select a file that will contain the virtual file system
  File file = new File("./vfsbinaryfile");
  file.createNewFile();
  BytePack test = new MemoryMapedFile(file.toURI(), 50000);
	
  //create the virtual file system
  //ForceCreate will initialize the file system use worphFileSytem = new WFS(test); if its already created in this file 
  WBasicFileSystem worphFileSytem = new WFS(test,WFS.OpenMode.ForceCreate);

  //create a file (this will return an identifier of the created file - in the basic implementation of this file system there is no concept of path)
  int fileid1 = worphFileSytem.createFile();
	
  //you can then delete the file with the following line
  //worphFileSytem.deleteFile(fileid2);
	
  //using the file is easy you just have to open a FileChannel on you will be able to use it like any other java FileChannel
  FileChannel fileChannel = worphFileSytem.newFileChannel(fileid1, EnumSet.<StandardOpenOption>of(StandardOpenOption.WRITE));
  OutputStream outputStream = Channels.newOutputStream(fileChannel);
  outputStream.write(data);
  fileChannel.close();
	
  //you can do the same to read data
  fileChannel = worphFileSytem.newFileChannel(fileid1, EnumSet.<StandardOpenOption>of(StandardOpenOption.READ));
  InputStream inputStream = Channels.newInputStream(fileChannel);
	byte[] read = new byte[data.length];
	inputStream.read(read);
  fileChannel.close();
	
  //close the fileSystem wen you finnish
  worphFileSytem.close();