The floppy disk interface serves a one-level directory giving access to up
to four floppy disk drives.
Each drive is represented by a data and control file.
There are no partitions.
Messages accepted by the
ctl
file include:
- eject
- Eject the floppy, if possible.
- reset
- Reset the drive.
- format type
- Format the floppy. The
type
sets the density and
type of disk to be formatted; see
format(8).
A read of the
ctl
file returns a string describing the form factor of the disk, one of
3½DD,
3½HD,
5¼DD,
or
5¼HD.