How to format and duplicate floppies under Linux
Last modified on July 24, 2026 • 1 min read • 56 wordsFormatting and duplication of floppy disks with Linux

How to format:
- Put floppy in drive, do not mount it.
- fdformat /dev/fd0 OR: Use “System Tools -> Floppy Formatter " in RedHat 9
How to duplicate:
- Put source floppy into the floppy drive
- Mount it if it doesn’t automount.
- dd if=/dev/fd0 of=/tmp/floppy bs=1024 count=14404.
- Eject floppy, put destination floppy in
- dd if=/tmp/floppy of=/dev/fd0 bs=1024 count=1440