Applied Engineering Vulcan IIGS User Manual page 38

!
A pPENDIX
F;
A Brief ProDOS Tutorial
This is
~
brief
explan~ljon
of the
.emfes.o;ional ,Ql5k
Opcr.UI~g
SYilcm, ProOOS. for those who are completely
new to
II All
of
thiS
Information and more Is included in
your
APPt. Oumen Guide,
but we have provided it here
for your convenience
Operafing Sysl.",
ProDO~
is one of sc"cral opcl'llling SySlcrT1S for the Apple
Others II1dudc: I)OS 3.3 aocl PaSCII Operating syslems as
defined in the Apple OuTler's
GuUles,
are programs
I~I
control how infonnaliOn is loaded into memory, how the
compo,lIef handles the information, how the information is
scored on a disk. and how Ihe computer communicllcs
with the prinu;:r and OI:hcr peripher.lls.
Naming Vo/um ••
!'roDOS must have a
w:I)'
to
10000te which disk (often
c:lllcd 'volume') you W3nlIO ateCM. Instead
of
typing in
It,le location
of
the disk 3S in DOS 3.3
(ex 56,DJ), you
Simply typc In the rt:Imc
of the disk
(the volume name).
Some roles for volume names arc
!) Name can Include
]cUers, numbers, or periods but
001
spaccs_
2) Name must hegin with a lcner_
3) Name can be up!O IS charaClcrs long
TIleS!.'
rul~
also hold true for sutxiircC10ry names,
floot DI(tK;'ory and SubdlflJCfory
The main dircctoty of the Ilolume
is
ailed the
1001.
dlft.'Ctory_ The
mol
directory uses the same name as your
dISk Subd.ft."<:torics arc ProOOS' way
of
organizing
inform;auon on a diSk
Think of the
tOOl.
dlft.'Ctory as a I'ile drawer and the
sulxhrcclOncs as folders wnhin the drawer. You can
1)
Put 1'ilC$ dircClly Imo the root directory like
potting documents waight imo the file drawer.
2) Put
rues
within subdirectories like pUlling
doc\Jment.S In folders.
3) Put subdirectories within subdirectories like
pulling folders with in folders.
Pafhnom.
The name
of
the directory combined with the
names of
one or more subdirectories
is
called a pathname. Volume
nart"ICS and subdirectory names arc preceded by a slash,
-r
(NOI:e that
50me
applic:ltions add the slash fOl" you,)
For example, you could halle a llOIume named /MY . DISK
and a file oiled MY .rILE on the
tOOl.
directory
of that
d isk To access
that file, you would use the pathnamc
/MY . DISK/MY. FlU:. You could also tulle a file JUL.l'.UG
In
a
sutxhft.'CtOl)'
(folder)
a.lled PHONE on a disk oiled
/81 LLS, To access that file, you would use the palhname
/BILLS/PHONE/ JUL. DEC. Refer to the diagram below
I ILt.S
1_
ell,)
WILD
fOMOOJSI"-~
TK!.KID (''''")
lIO.aACGIM$
ProDOS Directory Structure
,,"".JUN
"UL_D~C
"",,_,rUN
.1IlL.DtC
Now when an applicatiOn asks you for
the
pathname
of
a
I'ile.
you'll
tulle a oosic understanding of whal it expectS_
""". E·" inti ProOOSluronoI
tUII)
(hint