On Tue, Jun 29, 2010 at 09:15:43AM -0400, Edward Ned Harvey wrote: > . bzip2 is soundly destroyed by 7-zip, if only 7-zip is made > available as an in-line filter. Presently, in-line filtering is the only > reason to ever use bzip2 instead of 7-zip. You might want to checkout pbzip2. It's a parallelized version of bzip2. Quite fast on multi-core systems!