The legacy DD is a command line utility for UNIX like operating systems. DD stands for Data Description and the utility empowers the user to copy and convert files but it is a command line utility without any Graphical User Interface (GUI). DD utility can copy and convert simple files, device drivers (e.g for CD ROM, LAN, Speakers, HDD etc) and can access boot sector information that is why it can be used to prepare bootable backup and restore images. It performs the conversions to and from ASCII to EBCDIC, furthermore, it performs the byte order swapping as well. The name of the utility i.e DD seems to have been extracted from IBM’s Job Control Language (JCL) where it appears in a number of command statements.

This article is about a variant of DD command line utility with Graphical User Interface (GUI) i.e dd Utility. It is partially cross platform that is it works on UNIX like operating  Linux Ubuntu and Apple’s Mac OS X.

Full article here:
DD Utility – Easily Backup and Restore Disk Image Files In Ubuntu (LinOxide)