Answer by  
                                                                                          NarenMukherjee (308)
                                                            
                          
                          
                                                          1. Attach 250gb usb 2. 0 hard drive to a Mac
 2. Select directory that contains roughly 8,000 files (9. 5GB) in various directories and sub-directories
 3. Copy selected directory onto the native hard drive partition
 4. Time start of copy to completion 
 
 Run the above test in different OS, like Mac OS X and XP. Compare results.