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Superformatting

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Superformatting is the process of formatting a floppy disk at a capacity it was not designed for.[1] While it can ruin the disk, it is used in some floppy-based Linux distros to add more applications and utilities. muLinux is a notable example of this technique. Another (formerly) common use was to format low-density 3.5-inch or 5.25-inch floppies as high-density or even extra-high density (HD-36) in the case of 3.5-inch disks.

"Notched" disks will usually turn up many bad sectors, especially if the formatted capacity is considerable higher (1.5 to 3 times more) than intended. Superformatting is usually done with a low-level format (such as FORMAT /U in MS-DOS and fdformat in Linux.)

References

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  1. ^ "man page for superformat (all section 1) - Unix & Linux Commands". www.unix.com. Retrieved 2017-08-22.