Disk Operations
111
data
is
the
data
disk. An operations disk can hold only two
or
three documents
at
a time. Using the Font Mover
to
create
extra disk space enables the operations disk to hold as many as
four or five documents.
The
remaining free space on a disk is a potentially confus-
ing issue. Though a document may occupy only I
0 or
12K
of
memory on the disk, the Mac may indicate insufficient disk
space with as much as
SOK
or
more
of
available free disk
memory. This
is
due
to
the Mac's needs
and
the organization
of
data on the disk.
You may define another class
of
disks as application disks.
These disks hold the applications including those not presently
in use.
The
applications occupy a large segment
of
the disk as
do the system files.
Using this method
of
file organization, normal operation
might proceed as follows. First load the operations disk
to
startup the Mac.
Then
load the applications disk and copy the
necessary applications onto the operations disk. Finally, insert
the
data
disk and copy the needed documents onto the opera-
tions disk.
When you have finished with one document
or
set
of
documents, copy them back onto the
data
disks and remove
them from the operations disk. To remove a file from the disk,
move its icon to the Trash icon. You may have to select Empty
Trash from the Special menu
to
make room for the new files.
OTHER DATA HANDLING METHODS
Though it
is
always a good idea
to
maintain duplicates
of
each disk, it may happen
that
one disk appears
to
malfunction.
As
is
so often the case, such a disk might be the only one with
the updated version
of
a document.
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