Chapter 12. Disk Image Utilities

dd is a standard part of all unix installations, and is a utility program that, anongst other attributes, allows the user to capture a snapshot of the hard drive (or partition) and restore it quickly and easily.

By using dd, interoperability problem scenarios can be quickly reproduced and retested after solutions have been implemented. There are other disk image capture utilities on the market. Determine which utility is best for your environment.