On 6 August 2007, Peter Robinson <pbrobinson at gmail.com> wrote: > The easiest way is to use the shred command. It will write out the > file a specified number of times with random data, and optionally at > the end remove the file. Doesn't work like that. The shred program only sees the logical sectors of the flash. Every time you try to "overwrite" the file it will just mark the old blocks as unused and write to new fresh ones. The original flash sectors will NOT be overwritten.
