Given the fact shred
will not be effective on ext3, I wonder what are the available alternatives right now.
$ man shred
...
CAUTION: Note that shred relies on a very important assumption: that
the file system overwrites data in place. This is the traditional way
to do things, but many modern file system designs do not satisfy this
assumption. The following are examples of file systems on which shred
is not effective, or is not guaranteed to be effective in all file sys‐
tem modes:
* log-structured or journaled file systems, such as those supplied with
AIX and Solaris (and JFS, ReiserFS, XFS, Ext3, etc.)
...
shred
on the entire partition (good enough for me) orsrm
on a single file if file was encrypted in first place. – Tzury Bar Yochay Oct 18 '10 at 04:21