1 |
On 31 January 2006 15:19, Schleimer, Ben wrote: |
2 |
> I understand that writing zeros over the file should permenately delete the |
3 |
> data |
4 |
|
5 |
Don't believe people telling that. The data will still be recoverable (with |
6 |
the right hardware). That is so because overwriting a "0" with a "0" will |
7 |
lead to another level of manetic field than overwriting a "1" with a "0". The |
8 |
only way to wipe out data safely is to write different random bit over it |
9 |
several times. |
10 |
|
11 |
> but couldn't the data be cached elsewhere on the drive, especially |
12 |
> with journalling filesystems?? |
13 |
|
14 |
Journalling filesystems are a problem when it comes to wipe out single files. |
15 |
Wiping out the whole harddrive is still possible. |
16 |
|
17 |
Uwe |
18 |
|
19 |
-- |
20 |
Unix is sexy: |
21 |
who | grep -i blonde | date |
22 |
cd ~; unzip; touch; strip; finger |
23 |
mount; gasp; yes; uptime; umount |
24 |
sleep |
25 |
-- |
26 |
gentoo-user@g.o mailing list |