On Jun 7, 2009, at 12:54 PM, Niki Kovacs wrote: > Rainer Duffner a écrit : >> >> Ever booted a live-CD? >> It also knows your disks (unless it's a server, except for maybe the >> CentOS LiveCD, most other's suck on servers - they simply don't >> recognize the controllers). > > The question was not about the LiveCD, but more about the use of dd. > So, > blanking a disk (say, /dev/hdc) from a LiveCD would amount to: > > # dd if=/dev/zero of=/dev/hdc bs=20M > > And that's it. Correct? Yes. I generally don't use a 20M block size, but it is what I've used.