rxformat man page on 4.4BSD

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RXFORMAT(8)		  BSD System Manager's Manual		   RXFORMAT(8)

NAME
     rxformat — format floppy disks

SYNOPSIS
     rxformat [-d] special

DESCRIPTION
     The rxformat program formats a diskette in the specified drive associated
     with the special device special.  (Special is normally /dev/rx0, for
     drive 0, or /dev/rx1, for drive 1.)

     Available option:

     -d	     Force double density formatting.  By default, the diskette is
	     formatted single density; 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 stan‐
     dard input is a tty (this allows a user to cleanly abort the operation;
     note that formatting a diskette will destroy any existing data).  Format‐
     ting 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/rx?

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 DEC hardware.)

HISTORY
     The rxformat command appeared in 4.2BSD.

4.2 Berkeley Distribution	March 16, 1991	     4.2 Berkeley Distribution
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