On 00-11-20 08:44 +0200, Michael W. Wellman <[EMAIL PROTECTED]> wrote: > Most low level drivers receive a buffer of data *and* a size. > > For the sake of efficiency, most low level drivers stop writing the buffer > as soon as they which that size. > > So it's usually the data that was on disk rather than the data that was in > memory that ends up stored for all posterity (or until the file next > changes). > [ ... good stuff snipped :-) ] Does anybody know if the typical utilities used for cleaning unused space on a Macintoshs HD (Norton Wipe Info, PGP Tools, ...) actually just overwrite unused blocks *or* in addition look into the last block of a file and overwrite everything after EOF -- aka clean the slack area? -- Thomas Schierle, Munich, Germany PGP key [DSS/DH] 0xA23CDA1D available at various public servers -- To unsubscribe: <mailto:[EMAIL PROTECTED]> To search the archives: <http://www.mail-archive.com/entourage-talk%40lists.boingo.com/>
