refer to http://recoveryos.com/howto.html The REVIVE is the easiest backup and recovery tool working on live-USB with single command. Common features : Product functionality consists of backup, recovery, boot sector recovery, recovery into a new hard disk. Automatic detection of various OS and storage device. Working 100% outside of virus invasion and hacking. Automatic initializing and resizing of a partition when replacing a hard disk due to a shortage of a system disk. No installation. Low level format of harddisk.(using "dd" command) Supported OS : Windows, Windows server, Linux Tested OS : Windows(98,xp,vista,win7), Window server(2000,2003,2008), Linux(Redhat, Fedora, CentOS, Ubuntu, Suse). Supported Interface : USB Supported Storage device : Flash memory, CF/SD/MMC-memory, SSD, HDD.. Revive comes with three varieties : 1. REVIVE Portable The ever first hardware for backup and recovery done by a SINGLE command. Feature : Works FREE with a separate storage device to save a backup image. Limitation : Size matters when saving large backup image. : Usb must have two partition.(FAT32 -Firmware and NTFS or EXT3 -Storage) 2. REVIVE Light Norton Ghost or True Image can be our rivals, but with Revive Light, backup and recovery can be done just by three commands. Feature : Size does not matter for saving backup image. Limitation : Requires separate storage device to save a backup image. 3. REVIVE Clone A utility to make the clone of system hard disk by a SINGLE command. Feature : No time to recovery. Limitation : Requires separate disk to clone your system disk 4. REVIVE Portablemini The ever first hardware for backup and recovery done by a SINGLE command. Feature : Works FREE with a separate storage device to save a backup image and can backup the minimum windows system automatically. Limitation : Data size can backup is limited to 7GB.