This product not only use on the Windows OS but also can use on the Linux OS. Our company is the first company who can made this kind products.provides the complete protect function of dynamic save and instant recovery for the data in hard disk and COMS at the same time. For al kinds of computerviruses, hackers, or intended destructions to the data in hard disk. Saming PCGuard can recover the data without demolishment in a few seconds, and it won't occupy any space of hard disk or influence the system.