7. Type:
CAT : 1
CS, I) ( ENTER)
The directory
of
Drive
1 should show that all
the information
from the master diskette is
copied
onto
the
backup.
Insert
your backup diskette
into
Drive
0. Press
reset.
From now on,
use
your
backup as your
working
diskette. Put your
master TRSDOS
System Diskette in
a safe place. Never
use
it,
except
to make copies. Never remove the
write-protect
tab
from
this master diskette.
Preparing
Data Diskettes
Because
your computer system has more than
one disk drive,
you can save storage
space
by
using
data diskettes. A data diskette is
a
for-
matted diskette that does not contain an
oper-
ating system (TRSDOS).
You can create
data diskettes using single-
or
double-sided
diskettes. Double-sided diskettes
have more than
twice as much storage
capac-
ity.
One disadvantage of them,
however, is
that Model II! and older Model 4
computers
cannot read double-sided diskettes.
To
create a single-sided data diskette, simply
format
a
blank
diskette by repeating
Steps
1-4
of
the procedure under "The FORMAT
and
BACKUP Commands." This time,
do not back
up
the
system diskette.
After
formatting the diskette, check
its
direc-
tory by typing:
CAT :1
(S, I) (ENTER
)
As
you can see, the
diskette
contains only the
files
BOOT/SYS and DIR/SYS. Because the
diskette
does not contain an operating system,
it has
plenty of free space.
16
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