ubuntu: destroy a huge binary file and make it non-readable.

[Liam Proven]

On 25 January 2014 21:40, ping song <songpingemail at gmail.com> wrote:
> thanks.
> but guess I haven't make it clear.


You still have not made it remotely clear, *and* you are also top quoting.

Please try to be clearer and in future bottom-quote.
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