Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/man/3/floppy

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Distributed under the MIT License.
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.TH FLOPPY 3 
.SH NAME
floppy \- floppy diskette interface
.SH SYNOPSIS
.nf
.B bind -a #f /dev

.B /dev/fd0disk
.B /dev/fd0ctl
.B /dev/fd1disk
.B /dev/fd1ctl
.B /dev/fd2disk
.B /dev/fd2ctl
.B /dev/fd3disk
.B /dev/fd3ctl
.fi
.SH DESCRIPTION
The floppy diskette interface serves a one-level directory giving access to up
to four floppy diskette drives.
Each drive is represented by a data and control file.
There are no partitions.
.PP
Messages accepted by the
.B ctl
file include:
.TF format
.TP
.B eject
Eject the floppy, if possible.
.TP
.B reset
Reset the drive.
.TP
.BI format " type
Format the floppy.  The
.I type
sets the density and
type of diskette to be formatted; see
.B format
in
.IR prep (8).
.PD
.PP
A read of the
.B ctl
file returns a string describing the form factor of the diskette, one of
.BR 3½DD ,
.BR 3½HD ,
.BR 5¼DD ,
or
.BR 5¼HD .
.SH SOURCE
.B /sys/src/9/pc/devfloppy.c
.SH BUGS
Floppies are tiny, unreliable and eventually wear out.

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