>> wget ftp://fly.cnuce.cnr.it/pub/tmp/KNOPPIX_V3.1-08-11-2002-EN.iso.bz2 >> bunzip2 KNOPPIX_V3.1-08-11-2002-EN.iso.bz2 >> md5sum -c KNOPPIX_V3.1-08-11-2002-EN.iso > >Er, you're calling it wrong. Don't use -c. I know. The bug is not that it does not work. The bug is that it crashes.