# 2.11BSD#431 - /usr/man/cat8/rxformat.0

    RXFORMAT(8)	    UNIX Programmer's Manual	      RXFORMAT(8)

    NAME
         rxformat - format floppy disks (2.11BSD)

    SYNOPSIS
         rxformat special

    DESCRIPTION
         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 verifica-
         tion 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-filled.

    DIAGNOSTICS
         `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.

    FILES
         /dev/rrx??

    SEE ALSO
         rx(4)

    AUTHOR
         Helge Skrivervik

    BUGS
         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.)

    Printed 11/26/99	November 17, 1996			1

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