Personally,  I've  always  used a product from http://www.jetico.com/.

On Sunday, July 22, 2012 at 17:06:04 UTC, g...@ross.cx confabulated:

> On Sun, 22 Jul 2012 17:08:56 +0200, Bruce Cran <br...@cran.org.uk> wrote:

>> On 22/07/2012 16:01, Wojciech Puchar wrote:
>>>> 'dd if=/dev/zero of=/dev/sda bs=1M' works under Cygwin - or you can  
>>>> just write a load of zeros to \\.\PhysicalDrive0 .
>>>
>>> who prevents you to bood live CD or pendrive with FreeBSD (or  
>>> openbsd,netbsd,linux,solaris,whatever usable)?
>>
>> Nobody - I didn't say users couldn't boot from a FreeBSD/etc live CD,  
>> but zeroing the disk in Cygwin is an alternative.
>>

> Microsoft's format.exe can zero a volume, at least in the newer (>2008)
> versions:

> /p:<passes> : Zeros every sector on the volume for the number of passes
> specified.


> http://technet.microsoft.com/en-us/library/cc730730(v=ws.10)

-- 
If at first you don't succeed...
...so much for skydiving.

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