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hey all, just to confirm - if i have two identical harddisks, then having them both in a linux system, unmounted, and doing a dd if=/dev/hdb of=/dev/hdc should copy hdb onto hdc and make hdc automatically mountable/bootable if hdb was, that being file system independent, right? and then if i wanted to wipe a disk, doing dd if=/dev/zero of=/dev/hdb a couple of times would securely screw all data on there... thanks for confirming (or giving better methods). martin [greetings from the heart of the sun]# echo madduck@!#:1:s@\@@@.net -- "god is a comedian playing to an audience too afraid to laugh." -- voltaire ______________________________________________________________________ Philadelphia Linux Users Group - http://www.phillylinux.org Announcements-http://lists.phillylinux.org/mail/listinfo/plug-announce General Discussion - http://lists.phillylinux.org/mail/listinfo/plug