code: public void ioctl(long command, int value) throws IOException {
          final int response = directIOCTL(getFileDescriptor(), command, value);
  
          if(response < 0)
              throw new LinuxFileException();
      }
docs: Runs an ioctl value command on a file descriptor.
  
  @param command ioctl command
  @param value int ioctl value
  @return result of operation. Zero if everything is OK, less than zero if there was an error.