Chaps and Chapesses,<br> please stop giving out advice which you haven't put into practice yourselves.<br><br>I had occasion recently to securely delete a hard drive formatted with Linux filesystems, and<br>did a little bit of research on this.<br>
<br>You should use the 'scrub' tool to do this:<br><a href="http://sourceforge.net/projects/diskscrub">http://sourceforge.net/projects/diskscrub</a><br><br>or as someone suggests 'wipe' <a href="http://wipe.sourceforge.net/">http://wipe.sourceforge.net/</a><br>
<br>If you Google there will be bootable CD/USB distros which do this.<br>