BSD 2.11 - man page for rxformat (bsd section 8)
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rxformat - format floppy disks (2.11BSD)
The rxformat program formats a diskette in the specified drive associated with the special
device special. Special is normally /dev/rrx0?, for drive 0, or /dev/rrx1?, for drive 1,
where ``?'' is either "a" or "b" to indicate single or double density access. The ``raw''
device must be used. Single density is compatible with the IBM 3740 standard (128
bytes/sector). In double density, each sector contains 256 bytes of data.
Before formatting a diskette rxformat prompts for verification if standard input is a tty
(this allows a user to cleanly abort the operation; note that formatting a diskette will
destroy any existing data). Formatting is done by the hardware. All sectors are zero-
`No such device' means that the drive is not ready, usually because no disk is in the
drive or the drive door is open. Other error messages are selfexplanatory.
A floppy may not be formatted if the header info on sector 1, track 0 has been damaged.
Hence, it is not possible to format a completely degaussed disk. (This is actually a
problem in the hardware.)
3rd Berkeley Distribution November 17, 1996 RXFORMAT(8)
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