On Fri, Jan 26, 2007 at 07:02:45PM -0500, Christine Pilch wrote: > Can anyone recommend a good hard disc shredding program? > Someone offered to buy an old PC of mine, and I want to > completely wipe all traces of confidential client data from the > hard disc. Down load a Knoppix CD, boot, then run a shell script similar to this: i=0 while [ $i -lt 7 ] do dd of=/dev/hda1 if=/dev/zero dd of=/dev/hda1 if=/dev/random i=$((i+1)) done Just double-check the device name for the harddrive you want to erase (the "/dev/hda1" above). m