[Nottingham] 1GB of \0 (aka null)
Paul Sladen
notlug at paul.sladen.org
Mon May 15 14:49:30 BST 2006
On Wed, 3 May 2006, Martin wrote:
> And what is best for overwriting unused areas of the hdd so that bzip2
> can achieve maximum compression? (I'm guessing all ff's or all 00's will
> do nicely.)
Zeros are better; the utility used to do this on the (pre-dapper) Ubuntu
LiveCDs is:
http://www.paul.sladen.org/ubuntu/e2fszero/e2fs-zero.py
which zeros out unused blocks on an Ext2 filesystem.
-Paul
--
High on a Spanish mountain, surrounded by howling dogs. Southampton, GB
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