Apple IIe - Page 194

194
Apple lie Users
Handbook
Syntax
We
will
use
the
following
syntax
rules
in
our
discussion
of
DOS
commands
.
DOS
commands
DOS User Specified
Parameters
filename
D
s
v
indicated
in
uppercase characters.
indicated
in
lower-case italics.
indicates a
filename.
indicates
the
drive
specifier
(1
or
2)
.
indicates
the
slot
number
(1-7).
indicates
the
volume
number
(1-254).
These syntax
conventions
will
be
followed
in
the
configuration
section
for
each
DOS
command
.
CATALOG - Examining
the
Diskette's Directory
A
diskette
can
contain
a
number
of
different
programs
or
data
files.
Each
file
generates a listing
in
the
diskette's
directory.
A
diskette
directory
can be
defined
as
a
file
oh
the
diskette
containing
information
relating
to
all
other
files stored
on
that
diskette
. A
directory
is
also
often
referred
to
as
a
catalog.
The
directory
in
Apple
DOS
can
hold
up
to
105
tile
entries.
The
directory
is
stored
on
track 17
ot
the
diskette,
with
the
first
entry
in sector
15
and
the
last
in
sector
1.
Each
directory
entry
includes
the
tilename
,
tile
type
,
number
ot
sectors
(mod
256)
used by
the
file,
and
the
location
of
the
file's
track sector
list.
The
CATALOG
command
can be used
to
display
a
diskette
's
directory.
Merely
enter
CATALOG
ahd press
return
and a
listing
similar
to
that
in
illustration
5-14
will
appear.
It
your
screen
tills
with
entries and
the
tlashing
cursor appears at
the
bottom
ot
the
screen,
only
a
portion
ot
the
directory
was
displayed.
Press
any
key
to
continue
the
listing.
When
prompt
appears(]),
the
listing
will
have been
completed.