Active@ KillDisk is powerful and compact DOS utility that allows you to destroy all data on hard and floppy drives completely, excluding any possibility of future recovery of deleted files and folders. If you use FDISK, FORMAT utilities, or DELETE standard operating system command for data removal, there is always a chance to recover them and use against owner's will. We highly recommend you to run this FREE utility for the hard and floppy drives you want to dispose of, recycle, re-use, sell or donate to somebody. Active@ KillDisk conforms to US Department of Defense clearing and sanitizing standard DoD 5220.22-M. You can be sure that once you clean up with Active@ KillDisk, sensitive information is purged out forever. This is security software for unrecoverable data elimination for any computer capable of booting in DOS mode from floppy drive. It uses access to the drive?s data on a physical level via BIOS bypassing logical drive structure organization, thus it does not matter operating systems and file systems located on the machine.Win 3.1x,Win95,Win98,WinME,MS-DOS.