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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{
e01
I
<DIR>
Calcufator
Diary
Editor
setup
OO:OL
21
.ran
80
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