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<title>Back Up Your Existing Data!</title>
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Before you start, make sure to back up every file that is now on your
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system. If this is the first time a non-native operating system has
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been installed on your computer, it's quite likely you will need to
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re-partition your disk to make room for &debian;. Anytime you
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partition your disk, you should count on losing everything on the
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disk, no matter what program you use to do it. The programs used in
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installation are quite reliable and most have seen years of use; but
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they are also quite powerful and a false move can cost you. Even after
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backing up be careful and think about your answers and actions. Two
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minutes of thinking can save hours of unnecessary work.
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If you are creating a multi-boot system, make sure that you have the
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distribution media of any other present operating systems on hand.
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Especially if you repartition your boot drive, you might find that you
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have to reinstall your operating system's boot loader, or in many
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cases the whole operating system itself and all files on the affected
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With the exception of the BVM and Motorola VMEbus computers, the only
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supported installation method for m68k systems is booting from a local
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disk or floppy using an AmigaOS/TOS/MacOS-based bootstrap, for these
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machines you will need the original operating system in order to boot
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Linux. In order to boot Linux on the BVM and Motorola VMEbus machines
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you will need the <quote>BVMBug</quote> or <quote>16xBug</quote> boot ROMs.