Atari Portfolio User Manual

CHAPTER
FOUR:
FILE
MANAGER,
BASIC
FUNCTIONS
The
File Manager
js
a shell
program.
A shell is
a
program
that usually
simpljlies
a more complex
program
oi op;ratinq
syslem {in lhrs
case DOS
lhe Porrlolio's operat,ng
sistem,
lhe
Frle Manager
is called that
because that's whal
rt does:
manages
and manipulales
Iiles
You
can Lrse he
F,le Manager lo
slarl a
progran
ltle,
selecr a
data iile lo
be editeo delere
and move
lires tn snort he F,te
Manager can
do almost
anything Portfolio
DOS can do.
This
chaoler is
designed lo firsl inslucl
you
tn the oastcs
ot
i,le srruclJre
and management
belore actually
describtng
Ftre
Manager lunctions.
ll
you
understand
how liles and direalories
work,
you
wll
gel
ihe
most oul ol
your
File
lvahager
program.
FILE
MANAGER
SCREEN
Your Portfolio
processes
jnformalion,
but it must lirsi
be
pro-
vided
wilh lhe inlormalion
and then
told whal to do with
ii.
lnlormation
is stored in liles.
and riles can be organized
into
col,ections
wilhin directories
All directories
and files
can be displayed on
the File Manager
main
menu screen. The
File Manager main menu
is divided
into lwo
parls:
lhe Directory
and File window,
and lhe Applica-
I
unlabelled
STEI{
e01I
<DIR>
Calcufator
Diary
Editor
setup
OO:OL
21
.ran
80

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)