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Re: OT - Wipers
On Aug 24, 2005, at 11:55 PM, JohnH wrote:
> I have a Windows program called BC Wipe. It is suposed to wipe the
> files (or HD) to government standards.
> First could this statment true and second, is there a Linux type
> Also, exactly how does a wiper work?
Boot with Knoppix and you can use wipe or shred. 'man wipe' and 'man
shred' Keep in mind that they work best on whole disks and
partitions. They may not work so well to wipe individual files,
especially files on journaled filesystems. From the shred man page:
CAUTION: Note that shred relies on a very important
the filesystem overwrites data in place. This is the
to do things, but many modern filesystem designs do not
assumption. The following are examples of filesystems on
is not effective:
* log-structured or journaled filesystems, such as those
AIX and Solaris (and JFS, ReiserFS, XFS, Ext3, etc.)
Real government standards are to melt the disk down to a slag.
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