Atari Portfolio User Manual

The Aoolicatrons
wrndow
dlsplavs
a hsl ol
lhe six bLllll-,n appl_
cahon!'Tne
Drrectory
and
File window
displays a
llslol dilec-
tories and
liles resrdrng on
lhe cullenlly
opened
dIlve. Belore
learnrno how lo acces; these
llsls,
il is rmpollanl
Io Lndelsland
the ele;enls ol
the varrous
rtems lound
wllhn
ihe isls
Files
and Filenames
A colleclion ol
inlolmalion
qrouped
loqelher under
a singie
lilename is
called a lile.
The[e are
iwo types
ol illes. Execut_
aDle liles
(also
called
proqlams
oI app,icaiions)
conlain
rnslrliclrons
lol lhe coirpJler
lo caIIy
oul. llosl ol
the time lhe
insiruclions
contained
in execulabie
iiles
are used lo
work with
inlormalion
in data
iiles. A
data Iile is
a colleclion
ol inlolma-
tion thal contains
no insiruclions
lor
lhe compulel
Files are,dentii,ed bv lilenames.
You
can name
the Iiles
you
create and chanoe ihe names
ol exisllnq
llles
New'les are
named
wrlh.n
an;ppl,calton
when
lhey aIe clealed.
The iilename
is made
up o,
two
palls:
lhe name
and lhe lhree
character
exlenslon.
ln ihe lollowing
example,
ihe name is
saMPLE and
lhe exlension
is.ExE
SAMPLE.EXE
ll
I
oxtension
I
name
(up
lo eiqhl
characlers)
The name
section ol
a Iilename
can be
lrom one
io eighl
cnaracters
(le
eIs, svmbols,
or
numDers)
long
A Iilena-ne
extension can be
lroii one
Io lhlee characlers
long
separaied
lrom
the Iilename
by a
period
The lollowing
or exlension:
.
Greater
lhan
symbol
.
Plus sign
.
Hyphen/minus
sign
.
Colon
.
semicolon
.
Comma
.
Aslorisk
.
Ou€slion
mark
1
characlers cannol
be used
within
a lile nanre
Iorl
I
?2

Atari Portfolio Specifications

General

Processor	Intel 80C88
Clock Speed	4.9152 MHz
RAM	128 KB
Battery	3 x AA batteries
Manufacturer	Atari Corporation
Release Year	1989
Display	LCD, 240x64 pixels
Ports	Parallel and serial ports
Power	3 x AA batteries or external power supply
Storage	128 KB internal, external solid-state memory cards (up to 4MB)
Operating System	DIP-DOS (MS-DOS compatible)