From:	Nate Eldredge <neldredge AT hmc DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Wipe source
Date:	23 May 2001 01:57:23 -0700
Organization:	MindSpring Enterprises
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Tim Van Holder <tim DOT vanholder AT falconsoft DOT be> writes:

> Nur Nurani wrote:
> > 
> > To destuct sensibel data.
> > 
> > If you delete one file, you can restore it with 'undelete'.
> > 
> > Whiping a file desrtuct it total by writing 01010101 and then
> > 10101010 in each byte of an alocated sector/cluster.
> > 
> > You must read the FAT, where the file begins and then whipe each
> > Byte at the end of the sector/cluster is a pointer to the next
> > sector/cluster and you continue until EOF or better EOC.
> > 
> I suppose you could just open the file, write your 01's, flush, sync,
> rewind, write your 10's, flush, sync, then close the file and unlink it.

When you rewrite the file, the system is not obliged to use the same
clusters the file had before, is it?

-- 

Nate Eldredge
neldredge AT hmc DOT edu

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