.\"	$NetBSD: prep,v 1.1 2007/09/28 18:20:15 tsutsui Exp $
.
First and foremost, before beginning the installation process,
.Em make sure you have a reliable backup
of any data on your hard disk that you wish to keep.
Mistakes in partitioning your hard disk may lead to data loss.
.Nx*M
is still in very experimental state so unexpected trouble could
also happen even on normal operations.