John Bray suggested: > > use k3b to write the image to cd/dvd. check the verify option. works > fine! And fine it is too in a desktop, graphical, manual environment where the user is controlling the process. I am working in a text or batch environment, where there is no user and the CD/DVD media has to be written probably over-night, automatically, and certainly without any human involvement as to the contents of the CD/DVD. The operators will place a blank media in the drive at close-of-business and simply label and store the written media when they come in the next morning ... Jonathan