Format floppies for the temporary kernel and the final build.
Upgrading Your linux Distribution mini-HOWTO
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9. Format floppies for the temporary kernel and the final build.

You'll need two, one floppy for each.

After all that's done, you're ready for the Big Moment. The next step removes the system from production.

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Prepare root and boot floppies for the new installation. Inhibit logins and back up the /root and /home trees.