4
Disk
Operations
I ntroductlon
In
this chapter
we
will discuss the various operations
which pertain to the Mac's disks and the data on them. The
Apple Macintosh was designed
to
use custom-designed Sony
3
~
inch micro floppy disks. At the time of this writing, the
disks were single-sided meaning that they hold data on only
one side
of
the disk. At some later date, they will
be
expanded
to double-sided increasing the storage capacity from
400K to
800K.
The
data
ordering
of
the Mac disks differs from normal
floppy disks in two important ways, the density
of
information
placed on the disk surface
and
the disk rotation speed. Most
101
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