SHRED for EXT3?

[Ezra Nugroho]

> A little more information:
> 
> I am doing contract work at home on my own computer. I have
> transferred files containing trade secrets (source code)
> to it. My contract states that at the end of the contract,
> I must return all copies of their trade secrets, and all
> equipment belonging to them, and "permanently eradicate"
> all copies of their trade secrets which I possess but do
> not return.
> 
> I don't want to take a hammer to my own disc, thank you.
> 
> Now, we are on very good terms, and I don't anticipate having
> to take any action soon. But I would like to be prepared.


Here is an idea.
Format the drive as ext2, and then use bonnie test to write and read on
the drive randomly excessively for a day or so.