Absolutely true. The question was whether there was software available to the public to make a bit-for-bit image of a hard drive, and those were some applications that immediately came to mind because I use them quite often. But if you don't know what you are doing, you can hose things up quite spectacularly.
But if you don't know what you are doing, you can hose things up quite spectacularly.
I learned about the dangers of dd the hard-way. ;-)