<s>
Amiga	B-Device
support	I-Device
and	I-Device
maintenance	I-Device
software	I-Device
performs	O
service	O
functions	O
such	O
as	O
formatting	O
media	O
for	O
a	O
specific	O
filesystem	B-Application
,	O
diagnosing	O
failures	O
that	O
occur	O
on	O
formatted	O
media	O
,	O
data	O
recovery	O
after	O
media	O
failure	O
,	O
and	O
installation	O
of	O
new	O
software	O
for	O
the	O
Amiga	B-Device
family	O
of	O
personal	O
computersas	O
opposed	O
to	O
application	O
software	O
,	O
which	O
performs	O
business	O
,	O
education	O
,	O
and	O
recreation	O
functions	O
.	O
</s>
<s>
The	O
Amiga	B-Device
came	O
with	O
some	O
embedded	O
utility	O
programs	O
,	O
but	O
many	O
more	O
were	O
added	O
over	O
time	O
,	O
often	O
by	O
third-party	O
developers	O
and	O
companies	O
.	O
</s>
<s>
Installer	O
is	O
a	O
tool	O
for	O
the	O
installation	O
of	O
Amiga	B-Device
software	O
.	O
</s>
<s>
It	O
features	O
a	O
LISP-like	O
language	O
to	O
handle	O
installations	O
.	O
</s>
<s>
The	O
Amiga	B-Device
Installer	O
does	O
not	O
support	O
dependencies	O
or	O
track	O
where	O
the	O
installed	O
files	O
are	O
delivered	O
;	O
it	O
simply	O
copies	O
them	O
.	O
</s>
<s>
AmigaGuide	B-Operating_System
is	O
a	O
hypertext	O
markup	O
scheme	O
and	O
a	O
browser	O
for	O
writing	O
and	O
reading	O
web	O
page-like	O
documents	O
.	O
</s>
<s>
AmigaGuide	B-Operating_System
files	O
are	O
text	O
files	O
in	O
a	O
simple	O
markup	O
language	O
,	O
which	O
facilitates	O
editing	O
and	O
localization	O
in	O
any	O
ASCII	O
text	O
editor	O
.	O
</s>
<s>
Commodore	O
developed	O
the	O
AmigaGuide	B-Operating_System
format	O
before	O
the	O
World	O
Wide	O
Web	O
was	O
widely	O
known	O
.	O
</s>
<s>
Consumers	O
who	O
bought	O
Amiga	B-Device
computers	I-Device
in	O
a	O
store	O
did	O
not	O
receive	O
documentation	O
on	O
how	O
to	O
write	O
AmigaGuide	B-Operating_System
documents	O
.	O
</s>
<s>
Grunch	O
is	O
a	O
software	O
center	O
for	O
AmigaOS	B-Application
and	O
MorphOS	B-Operating_System
.	O
</s>
<s>
MorphUP	O
allows	O
MorphOS	B-Operating_System
users	O
to	O
install	O
and	O
update	O
new	O
third-party	O
software	O
.	O
</s>
<s>
None	O
of	O
these	O
update	O
systems	O
was	O
widely	O
used	O
by	O
the	O
Amiga	B-Device
community	O
.	O
</s>
<s>
Amiga	B-Device
places	O
system	O
utilities	O
in	O
two	O
standard	O
directories	O
:	O
</s>
<s>
The	O
Commodities	O
directory	O
(	O
volume	O
SYS:Tools/Commodities/	O
or	O
SYS:Utilities/Commodities	O
under	O
AmigaOS4	O
)	O
contains	O
executable	O
applet-like	O
utilities	O
which	O
enhance	O
system	O
usability	O
,	O
like	O
for	O
example	O
the	O
ScreenBlanker	O
,	O
the	O
default	O
screen	O
saver	O
shipped	O
with	O
AmigaOS	B-Application
.	O
</s>
<s>
AmigaOS	B-Application
features	O
a	O
standard	O
centralized	O
utility	O
to	O
partition	O
and	O
format	O
hard	B-Device
disks	I-Device
,	O
called	O
HDToolBox	O
.	O
</s>
<s>
MorphOS	B-Operating_System
uses	O
an	O
updated	O
version	O
of	O
the	O
SCSIConfig	O
utility	O
(	O
since	O
MorphOS	B-Operating_System
version	O
2	O
,	O
HDConfig	O
)	O
implemented	O
by	O
third	O
party	O
vendor	O
Phase5	O
.	O
</s>
<s>
AmigaOS	B-Application
diagnostic	O
tools	O
are	O
usually	O
programs	O
which	O
display	O
the	O
current	O
state	O
of	O
Exec	O
and	O
AmigaDOS	B-Operating_System
activities	O
.	O
</s>
<s>
Promoter	O
and	O
ForceMonitor	O
are	O
utilities	O
that	O
allow	O
the	O
user	O
to	O
control	O
the	O
resolution	O
of	O
Intuition	B-Application
screens	O
for	O
Amiga	B-Device
programs	O
.	O
</s>
<s>
WHDLoad	B-Device
is	O
a	O
utility	O
to	O
install	O
legacy	O
Amiga	B-Device
games	O
on	O
a	O
hard	B-Device
disk	I-Device
and	O
load	O
them	O
from	O
Workbench	O
desktop	O
instead	O
of	O
floppies	B-Device
,	O
on	O
which	O
they	O
were	O
often	O
delivered	O
.	O
</s>
<s>
jst	O
is	O
an	O
older	O
utility	O
which	O
the	O
developer	O
abandoned	O
in	O
order	O
to	O
concentrate	O
efforts	O
on	O
WHDLoad	B-Device
.	O
</s>
<s>
Old	O
jstloaders	O
can	O
be	O
read	O
with	O
WHDLoad	B-Device
,	O
and	O
jst	O
itself	O
has	O
some	O
early	O
level	O
of	O
WHDLoad	B-Device
compatibility	O
.	O
</s>
<s>
The	O
original	O
Amiga	B-Device
CLI	O
(	O
Command	O
Line	O
Interface	O
)	O
had	O
some	O
basic	O
editing	O
capabilities	O
,	O
command	O
templates	O
,	O
and	O
other	O
features	O
such	O
as	O
ANSI	O
compatibility	O
and	O
color	O
selection	O
.	O
</s>
<s>
In	O
AmigaOS	B-Application
1.3	O
,	O
the	O
program	O
evolved	O
into	O
a	O
complete	O
text-based	O
shell	O
called	O
AmigaShell	B-Operating_System
,	O
with	O
command	O
history	O
and	O
enhanced	O
editing	O
capabilities	O
.	O
</s>
<s>
Third-party	O
developers	O
created	O
improved	O
shells	O
because	O
the	O
console-handler	O
standard	O
command	O
line	O
device	O
driver	O
(	O
or	O
"	O
handler	O
"	O
in	O
Amiga	B-Device
technical	O
language	O
)	O
is	O
independent	O
of	O
the	O
command-line	O
interpreter	O
.	O
</s>
<s>
This	O
program	O
controlled	O
text-based	O
interfaces	O
into	O
Amiga	B-Device
.	O
</s>
<s>
Some	O
well-known	O
shells	O
from	O
other	O
platforms	O
were	O
ported	O
to	O
Amiga	B-Device
.	O
</s>
<s>
These	O
included	O
bash	B-Operating_System
(	O
Bourne	B-Operating_System
Again	I-Operating_System
SHell	I-Operating_System
)	O
,	O
CSH	B-Operating_System
(	O
C	B-Operating_System
Shell	I-Operating_System
)	O
,	O
and	O
ZSH	B-Application
(	O
Z	B-Application
shell	I-Application
)	O
.	O
</s>
<s>
The	O
shells	O
taken	O
from	O
Unix	O
and	O
Linux	B-Application
were	O
adapted	O
into	O
Amiga	B-Device
and	O
improved	O
with	O
its	O
peculiar	O
capabilities	O
and	O
functions	O
.	O
</s>
<s>
The	O
MorphOS	B-Operating_System
Shell	O
is	O
an	O
example	O
of	O
Z	B-Application
shell	I-Application
mixed	O
with	O
the	O
KingCON	O
console	O
handler	O
.	O
</s>
<s>
It	O
originated	O
as	O
a	O
Unix-like	O
shell	O
and	O
is	O
provided	O
with	O
all	O
the	O
features	O
expected	O
from	O
such	O
a	O
component	O
:	O
AmigaDOS	B-Operating_System
commands	O
(	O
more	O
than	O
100	O
commands	O
,	O
most	O
of	O
which	O
are	O
Unix-like	O
)	O
,	O
local	O
and	O
global	O
variables	O
,	O
command	O
substitution	O
,	O
command	O
redirection	O
,	O
named	O
and	O
unnamed	O
pipes	O
,	O
history	O
,	O
programmable	O
menus	O
,	O
multiple	O
shells	O
in	O
a	O
window	O
,	O
ANSI	O
compatibility	O
,	O
color	O
selection	O
,	O
and	O
so	O
on	O
.	O
</s>
<s>
Starting	O
from	O
the	O
original	O
Amiga	B-Device
WIMP	B-Application
standard	O
desktop	O
,	O
Workbench	O
,	O
Amiga	B-Device
interfaces	O
were	O
enhanced	O
by	O
third-party	O
developers	O
.	O
</s>
<s>
Amiga	B-Device
users	O
are	O
free	O
to	O
replace	O
the	O
original	O
Workbench	O
interface	O
with	O
Scalos	B-Device
and	O
Directory	B-Application
Opus	I-Application
.	O
</s>
<s>
The	O
standard	O
GUI	O
toolkit	O
,	O
called	O
Intuition	B-Application
,	O
was	O
enhanced	O
in	O
OS2.x	O
with	O
the	O
introduction	O
of	O
GadTools	O
;	O
and	O
third	O
parties	O
created	O
their	O
own	O
toolkits	O
such	O
as	O
Magic	B-Library
User	I-Library
Interface	I-Library
(	O
MUI	O
)	O
(	O
the	O
standard	O
on	O
MorphOS	B-Operating_System
systems	O
)	O
and	O
ClassAct	B-Library
,	O
which	O
evolved	O
into	O
ReAction	B-Library
GUI	I-Library
(	O
the	O
standard	O
GUI	O
on	O
AmigaOS	B-Application
4.0	O
)	O
.	O
</s>
<s>
Many	O
users	O
have	O
added	O
advanced	O
graphics	O
drivers	O
to	O
their	O
Amiga	B-Device
.	O
</s>
<s>
This	O
lets	O
the	O
AmigaOS	B-Application
handle	O
high	O
resolution	O
graphics	O
,	O
enhanced	O
with	O
millions	O
of	O
colors	O
.	O
</s>
<s>
Standard	O
GUI	O
interfaces	O
with	O
this	O
capability	O
are	O
CyberGraphX	B-Library
,	O
EGS	O
,	O
and	O
Picasso96	O
.	O
</s>
<s>
Graphical	O
libraries	B-Library
available	O
on	O
the	O
Amiga	B-Device
include	O
:	O
</s>
<s>
GTK	B-Application
.	O
</s>
<s>
On	O
Amiga	B-Device
it	O
is	O
being	O
developed	O
as	O
a	O
GTK_MUI	O
wrapper	O
,	O
to	O
map	O
any	O
existing	O
graphical	O
features	O
of	O
GTK	B-Application
to	O
the	O
standard	O
Magic	B-Library
User	I-Library
Interface	I-Library
(	O
MUI	O
)	O
graphic	O
user	O
interface	O
system	O
.	O
</s>
<s>
All	O
Amiga	B-Device
systems	O
can	O
also	O
support	O
the	O
SDL	B-Operating_System
(	O
Simple	B-Operating_System
DirectMedia	I-Operating_System
Layer	I-Operating_System
)	O
cross-platform	O
,	O
multimedia	O
,	O
and	O
free	O
software	B-Library
libraries	I-Library
written	O
in	O
C	O
which	O
creates	O
an	O
abstraction	O
over	O
various	O
platforms	O
 '	O
graphics	O
,	O
sound	O
,	O
and	O
input	O
APIs	O
,	O
allowing	O
a	O
developer	O
to	O
write	O
a	O
computer	O
game	O
or	O
other	O
multimedia	O
application	O
once	O
and	O
run	O
it	O
on	O
many	O
operating	O
systems	O
.	O
</s>
<s>
Amiga	B-Device
supports	O
PostScript	B-Language
through	O
Ghostscript	B-Language
and	O
SaxonScript	O
(	O
included	O
with	O
Saxon	O
Publisher	O
)	O
.	O
</s>
<s>
Ghostview	B-Language
is	O
the	O
foremost	O
used	O
graphical	O
GUI	O
for	O
GhostScript	B-Language
on	O
the	O
Amiga	B-Device
.	O
</s>
<s>
Since	O
AmigaOS	B-Application
2.1	O
,	O
in	O
the	O
Prefs	O
(	O
Preferences	O
)	O
system	O
directory	O
,	O
there	O
is	O
a	O
printer	O
preferences	O
program	O
called	O
PrinterPS	O
,	O
which	O
allows	O
the	O
use	O
of	O
PostScript	B-Language
printers	O
on	O
the	O
Amiga	B-Device
.	O
</s>
<s>
Original	O
Amiga	B-Device
outline	O
fonts	O
(	O
also	O
called	O
vector	O
fonts	O
)	O
were	O
Agfa	O
Compugraphic	O
fonts	O
available	O
since	O
AmigaOS	B-Application
2.0	O
with	O
the	O
standard	O
utility	O
Fountain	B-Language
(	O
later	O
called	O
IntelliFont	O
)	O
from	O
Commodore	O
.	O
</s>
<s>
Third-party	O
developers	O
added	O
support	O
for	O
TrueType	O
fonts	O
using	O
various	O
libraries	B-Library
,	O
such	O
as	O
TrueType	O
Library	O
I	O
and	O
II	O
,	O
and	O
LibFreeType	B-Application
library	I-Application
.	O
</s>
<s>
Personal	O
Fonts	O
Maker	O
was	O
the	O
most	O
widely	O
used	O
Amiga	B-Device
software	O
to	O
create	O
bitmap	O
fonts	O
,	O
while	O
TypeSmith	O
v.2.5b	O
was	O
the	O
de	O
facto	O
standard	O
utility	O
to	O
create	O
outline	O
fonts	O
.	O
</s>
<s>
In	O
the	O
first	O
Amiga	B-Application
OS	I-Application
releases	O
,	O
Commodore	O
included	O
a	O
standard	O
floppy	B-Device
disk	I-Device
recovery	O
utility	O
called	O
DiskDoctor	O
.	O
</s>
<s>
Its	O
purpose	O
was	O
to	O
recover	O
files	O
from	O
mangled	O
floppy	B-Device
disks	I-Device
.	O
</s>
<s>
Unfortunately	O
,	O
this	O
utility	O
worked	O
only	O
with	O
AmigaDOS	B-Operating_System
standard	O
disks	O
.	O
</s>
<s>
It	O
wrote	O
on	O
original	O
disks	O
and	O
destroyed	O
non-AmigaDOS	O
disks	O
(	O
mainly	O
autobooting	O
games	O
)	O
by	O
overwriting	O
their	O
bootblock	O
.	O
</s>
<s>
These	O
features	O
were	O
undocumented	O
and	O
led	O
to	O
an	O
Amiga	B-Device
urban	O
legend	O
that	O
there	O
was	O
a	O
computer	O
virus	O
nicknamed	O
the	O
Lazarus	O
Virus	O
,	O
whose	O
final	O
purpose	O
was	O
to	O
make	O
disks	O
unreadable	O
and	O
renaming	O
it	O
with	O
that	O
name	O
.	O
</s>
<s>
Third-party	O
developers	O
released	O
data	O
recovery	O
programs	O
such	O
as	O
DiskSalv	O
,	O
which	O
was	O
more	O
often	O
used	O
to	O
validate	B-Application
Amiga	B-Device
filesystems	B-Application
on	O
hard	B-Device
disk	I-Device
partitions	O
.	O
</s>
<s>
Other	O
Amiga	B-Device
disk	O
repair	O
and	O
backup	O
tools	O
included	O
:	O
</s>
<s>
During	O
the	O
8	B-Application
bit	I-Application
and	O
16/32	O
bit	O
era	O
,	O
copying	O
software	O
was	O
not	O
considered	O
illegal	O
in	O
many	O
countries	O
,	O
and	O
piracy	O
was	O
not	O
perceived	O
as	O
being	O
a	O
crime	O
by	O
the	O
users	O
of	O
home	O
computers	O
(	O
usually	O
young	O
people	O
)	O
.	O
</s>
<s>
Commodore	O
64	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
software	O
was	O
copied	O
using	O
cassette	O
decks	O
,	O
while	O
IBM	B-Device
PC	I-Device
,	O
Atari	B-Device
8-bit	I-Device
family	I-Device
,	O
and	O
Amiga	B-Device
software	O
was	O
copied	O
using	O
special	O
programs	O
called	O
disk	O
copiers	O
which	O
were	O
engineered	O
to	O
copy	O
any	O
floppy	B-Device
disk	I-Device
surface	O
byte	O
by	O
byte	O
,	O
often	O
using	O
special	O
,	O
efficient	O
,	O
and	O
advanced	O
techniques	O
of	O
programming	O
and	O
"	O
Disk	O
Track	O
driving	O
"	O
to	O
maintain	O
Floppy	B-Device
Disk	I-Device
read/write	I-Device
head	I-Device
alignment	O
.	O
</s>
<s>
In	O
the	O
early	O
days	O
of	O
the	O
Amiga	B-Device
platform	I-Device
,	O
about	O
16	O
disk	O
copiers	O
were	O
created	O
in	O
a	O
short	O
amount	O
of	O
time	O
(	O
19851989	O
)	O
that	O
enabled	O
copying	O
Amiga	B-Device
floppy	B-Device
disks	I-Device
,	O
including	O
Nibbler	O
,	O
QuickNibble	O
,	O
ZCopier	O
,	O
XCopy/Cachet	O
,	O
FastCopier	O
,	O
Disk	O
Avenger	O
,	O
Tetra	O
Copy	O
(	O
which	O
enabled	O
the	O
user	O
to	O
play	O
Tetris	B-Device
while	O
copying	O
disks	O
)	O
,	O
Cyclone	O
,	O
Maverick	O
,	O
D-Copy	O
,	O
Safe	O
II	O
,	O
PowerCopier	O
,	O
Quick	O
Copier	O
,	O
Marauder	O
II	O
(	O
styled	O
as	O
"	O
Marauder	O
//	O
"	O
)	O
,	O
Rattle	O
Copy	O
,	O
and	O
BurstNibble	O
.	O
</s>
<s>
These	O
programs	O
(	O
for	O
example	O
,	O
Marauder	O
,	O
X-Copy	O
,	O
and	O
Nibbler	O
)	O
were	O
then	O
sold	O
in	O
packages	O
complete	O
with	O
instructions	O
,	O
warranty	O
,	O
and	O
EULA	O
like	O
other	O
productivity	O
software	O
.	O
</s>
<s>
Some	O
floppy	B-Device
drives	I-Device
included	O
LED	O
track	O
indicators	O
to	O
show	O
if	O
the	O
disks	O
were	O
hacked	O
by	O
the	O
original	O
programmers	O
to	O
support	O
up	O
to	O
track	O
82	O
of	O
the	O
disk	O
.	O
</s>
<s>
DFC5	O
could	O
only	O
copy	O
standard	O
AmigaOS	B-Application
formatted	O
disks	O
for	O
backup	O
purposes	O
;	O
however	O
,	O
it	O
multitasked	O
inside	O
of	O
the	O
Amiga	B-Device
Workbench	O
GUI	O
.	O
</s>
<s>
X-COPY	O
III	O
,	O
and	O
later	O
the	O
final	O
version	O
,	O
X-COPY	O
Pro	O
,	O
were	O
the	O
most	O
popular	O
Amiga	B-Device
copy	O
programs	O
.	O
</s>
<s>
Although	O
incapable	O
of	O
true	O
multitasking	O
,	O
the	O
programs	O
were	O
capable	O
of	O
taking	O
advantage	O
of	O
Amiga	B-Device
configurations	O
with	O
multiple	O
floppy	B-Device
drives	I-Device
;	O
for	O
instance	O
,	O
on	O
Amiga	B-Device
systems	O
with	O
four	O
floppy	B-Device
drives	I-Device
,	O
X-COPY	O
was	O
capable	O
of	O
simultaneously	O
copying	O
from	O
a	O
source	O
drive	O
to	O
three	O
others	O
.	O
</s>
<s>
Coupled	O
with	O
excellent	O
bit-by-bit	O
replication	O
capabilities	O
,	O
these	O
features	O
made	O
X-COPY	O
the	O
de	O
facto	O
standard	O
for	O
copying	O
floppy	B-Device
disks	I-Device
on	O
the	O
Amiga	B-Device
.	O
</s>
<s>
The	O
most	O
popular	O
archivers	O
were	O
LhA	B-Application
and	O
LZX	B-Device
.	O
</s>
<s>
Programs	O
to	O
archive	O
ZIP	B-General_Concept
,	O
Gzip	B-Application
,	O
Bzip2	B-Application
,	O
and	O
RAR	O
files	O
were	O
available	O
but	O
seldom	O
used	O
,	O
and	O
many	O
have	O
an	O
Amiga	B-Device
counterpart	O
,	O
such	O
as	O
7-Zip	B-Language
.	O
</s>
<s>
Utilities	O
were	O
available	O
for	O
reading	O
and	O
writing	O
archive	O
formats	O
such	O
as	O
ARC	B-Application
,	O
ARJ	B-Application
(	O
unarchive	O
only	O
)	O
,	O
the	O
CAB	O
files	O
common	O
in	O
Windows	O
installation	O
,	O
StuffIt	B-Application
SIT	O
archives	O
from	O
Macintosh	O
,	O
Uuencode	B-Device
(	O
used	O
for	O
encoding	O
binary	O
attachments	O
of	O
e-mail	O
messages	O
)	O
,	O
TAR	B-Application
(	O
common	O
on	O
UNIX	O
and	O
Linux	B-Application
)	O
,	O
RPM	B-Application
(	O
from	O
Red	O
Hat	O
)	O
,	O
and	O
more	O
.	O
</s>
<s>
Amiga	B-Device
supported	O
"	O
packed	O
"	O
or	O
"	O
crunched	O
"	O
(	O
meaning	O
compressed	O
)	O
executables	O
,	O
which	O
were	O
common	O
in	O
the	O
age	O
of	O
floppy	B-Device
disks	I-Device
,	O
when	O
disk	O
space	O
and	O
memory	O
conservation	O
was	O
critical	O
.	O
</s>
<s>
The	O
Amiga	B-Device
also	O
included	O
"	O
level	O
depacking	O
"	O
,	O
implemented	O
by	O
"	O
Titanics	O
Cruncher	O
"	O
,	O
which	O
enabled	O
a	O
binary	O
executable	O
to	O
be	O
decrunched	O
as	O
it	O
was	O
being	O
loaded	O
,	O
requiring	O
a	O
very	O
small	O
amount	O
of	O
memory	O
to	O
do	O
so	O
.	O
</s>
<s>
The	O
CPU	O
in	O
the	O
Amiga	B-Device
was	O
completely	O
different	O
from	O
the	O
one	O
in	O
the	O
Commodore	O
64	O
,	O
requiring	O
a	O
complete	O
rewrite	O
.	O
</s>
<s>
The	O
ability	O
to	O
compress	O
and	O
decompress	O
single	O
files	O
and	O
directories	O
on	O
the	O
fly	O
has	O
been	O
present	O
on	O
the	O
AmigaOS	B-Application
since	O
at	O
least	O
1994	O
.	O
</s>
<s>
A	O
similar	O
feature	O
was	O
implemented	O
relatively	O
recently	O
as	O
a	O
property	O
in	O
the	O
ZFS	B-Application
filesystem	I-Application
.	O
</s>
<s>
The	O
AmigaOS	B-Application
packers	O
and	O
cruncher	O
libraries	B-Library
are	O
centralized	O
by	O
using	O
the	O
XPK	O
system	O
.	O
</s>
<s>
Programs	O
use	O
only	O
the	O
master	O
library	O
directly	O
,	O
while	O
sublibraries	O
(	O
akin	O
to	O
plug-ins	B-Application
)	O
implement	O
the	O
actual	O
(	O
de	O
)	O
compression	O
.	O
</s>
<s>
Another	O
important	O
invention	O
on	O
the	O
Amiga	B-Device
platform	I-Device
was	O
the	O
ADF	O
format	O
for	O
creating	O
images	O
of	O
Amiga	B-Device
floppy	B-Device
disks	I-Device
,	O
either	O
standard	O
AmigaDOS	B-Operating_System
floppies	B-Device
or	O
non-DOS	O
(	O
"	O
NDOS	O
"	O
)	O
ones	O
,	O
for	O
use	O
in	O
Amiga	B-Device
emulators	O
,	O
such	O
as	O
WinUAE	B-Device
.	O
</s>
<s>
Amiga	B-Device
emulators	O
and	O
AmigaOS	B-Application
(	O
with	O
third-party	O
software	O
)	O
can	O
use	O
these	O
files	O
as	O
if	O
they	O
were	O
virtual	O
floppy	B-Device
disks	I-Device
.	O
</s>
<s>
Unlimited	O
virtual	O
floppies	B-Device
could	O
be	O
created	O
on	O
modern	O
Amigas	B-Device
,	O
although	O
WinUAE	B-Device
on	O
a	O
real	O
PC	O
can	O
handle	O
only	O
four	O
at	O
a	O
time	O
,	O
the	O
maximum	O
number	O
of	O
floppy	B-Device
drives	I-Device
that	O
the	O
Amiga	B-Device
hardware	O
could	O
have	O
connected	O
at	O
any	O
one	O
time	O
.	O
</s>
<s>
All	O
the	O
popular	O
Amiga	B-Device
compression	O
implementations	O
and	O
archive	O
files	O
are	O
now	O
centralized	O
and	O
implemented	O
by	O
a	O
single	O
system	B-Library
library	I-Library
called	O
XAD	B-Application
,	O
which	O
has	O
a	O
front-end	O
GUI	O
named	O
Voodoo-X	O
.	O
</s>
<s>
It	O
is	O
included	O
in	O
AmigaOS	B-Application
3.9	O
and	O
up	O
with	O
UnArc	O
.	O
</s>
<s>
Amiga	B-Device
can	O
use	O
various	O
filesystems	B-Application
.	O
</s>
<s>
The	O
historical	O
standards	O
are	O
the	O
original	O
Amiga	B-Device
filesystem	B-Application
,	O
called	O
the	O
Old	B-Application
File	I-Application
System	I-Application
.	O
</s>
<s>
This	O
was	O
good	O
for	O
floppy	B-Device
disks	I-Device
but	O
wasted	O
space	O
on	O
hard	B-Device
disks	I-Device
and	O
is	O
considered	O
obsolete	O
.	O
</s>
<s>
The	O
Fast	B-Device
File	I-Device
System	I-Device
(	O
FFS	O
)	O
can	O
handle	O
file	O
names	O
up	O
to	O
30	O
characters	O
,	O
has	O
international	O
settings	O
(	O
it	O
can	O
optionally	O
recognise	O
upper	O
-	O
and	O
lower-case	O
accented	O
letters	O
as	O
equivalent	O
)	O
and	O
could	O
also	O
be	O
cached	O
,	O
if	O
the	O
users	O
chose	O
to	O
format	O
the	O
partition	O
with	O
the	O
cache	O
option	O
.	O
</s>
<s>
The	O
FFS	O
filesystem	B-Application
evolved	O
into	O
FFS2	O
.	O
</s>
<s>
Modern	O
journaling	B-Application
file	I-Application
systems	I-Application
for	O
Amiga	B-Device
are	O
the	O
Smart	B-Application
File	I-Application
System	I-Application
(	O
SFS	O
)	O
and	O
Professional	B-Application
File	I-Application
System	I-Application
(	O
PFS	O
)	O
.	O
</s>
<s>
The	O
MultiUser	O
File	B-Application
System	I-Application
(	O
MuFS	O
)	O
supports	O
multiple	O
users	O
.	O
</s>
<s>
The	O
Professional	B-Application
File	I-Application
System	I-Application
suite	O
has	O
a	O
utility	O
to	O
let	O
PFS	O
to	O
be	O
patched	O
to	O
support	O
MuFS	O
and	O
MuFS	O
features	O
.	O
</s>
<s>
CrossDOS	B-Application
is	O
a	O
utility	O
to	O
read	O
MS-DOS	O
formatted	O
floppy	B-Device
disks	I-Device
in	O
FAT12	O
and	O
FAT16	B-Application
filesystem	B-Application
,	O
either	O
720KiB	O
double-density	O
format	O
or	O
high-density	O
(	O
1440KiB	O
)	O
(	O
on	O
connected	O
floppy	B-Device
drives	I-Device
that	O
can	O
read	O
1440	O
MS-DOS	O
disks	O
)	O
.	O
</s>
<s>
It	O
is	O
a	O
commercial	O
product	O
,	O
and	O
a	O
slightly	O
cut-down	O
version	O
was	O
included	O
with	O
AmigaOS	B-Application
beginning	O
with	O
version	O
2.1	O
.	O
</s>
<s>
The	O
FAT95	O
library	O
recognizes	O
partitions	O
of	O
various	O
filesystems	B-Application
common	O
in	O
other	O
systems	O
such	O
as	O
FAT16	B-Application
and	O
FAT32	B-Application
.	O
</s>
<s>
It	O
also	O
reads	O
DOS	O
floppies	B-Device
and	O
USB	B-Protocol
pen	O
drives	O
formatted	O
with	O
FAT16	B-Application
or	O
FAT32	B-Application
.	O
</s>
<s>
Filesystems	B-Application
like	O
ext2	B-Application
for	O
Linux	B-Application
,	O
NTFS	B-Application
from	O
Microsoft	O
,	O
and	O
more	O
are	O
supported	O
by	O
third-party	O
developers	O
.	O
</s>
<s>
MorphOS	B-Operating_System
natively	O
supports	O
SFS	O
,	O
FFS/FFS2	O
,	O
PFS	O
,	O
MacOS	O
HFS	O
,	O
HFS+	O
,	O
Linux	B-Application
Ext2	B-Application
,	O
FAT16	B-Application
,	O
FAT32	B-Application
,	O
and	O
NTFS	B-Application
filesystems	B-Application
.	O
</s>
<s>
The	O
Datatype	O
system	O
of	O
AmigaOS	B-Application
is	O
a	O
centralized	O
,	O
expandable	O
,	O
modular	O
system	O
describing	O
any	O
kind	O
of	O
file	O
(	O
text	O
,	O
music	O
,	O
image	O
,	O
videos	O
)	O
.	O
</s>
<s>
Any	O
experienced	O
programmer	O
,	O
using	O
the	O
Amiga	B-Device
Datatype	O
programming	O
guidelines	O
,	O
could	O
create	O
new	O
standard	O
datatype	O
modules	O
.	O
</s>
<s>
The	O
module	O
could	O
be	O
left	O
visible	O
to	O
the	O
whole	O
Amiga	B-Device
system	O
(	O
thus	O
to	O
all	O
Amiga	B-Device
programs	O
)	O
by	O
copying	O
the	O
datatype	O
into	O
the	O
system	O
directory	O
SYS:Classes/DataTypes/	O
,	O
and	O
the	O
descriptor	O
(	O
used	O
to	O
identify	O
files	O
)	O
into	O
DEVS:DataTypes/	O
.	O
</s>
<s>
Amiga	B-Device
productivity	I-Device
software	I-Device
tools	O
therefore	O
have	O
a	O
smaller	O
size	O
and	O
a	O
more	O
clean	O
design	O
than	O
similar	O
programs	O
running	O
in	O
other	O
operating	O
systems	O
.	O
</s>
<s>
Supported	O
Amiga	B-Device
datatypes	O
include	O
:	O
</s>
<s>
MultiView	O
is	O
the	O
Amiga	B-Device
universal	O
viewer	O
.	O
</s>
<s>
Modern	O
Amiga-like	O
operating	O
systems	O
such	O
as	O
AmigaOS	B-Application
4.0	O
and	O
MorphOS	B-Operating_System
can	O
handle	O
also	O
MIME	O
types	O
.	O
</s>
<s>
Any	O
kind	O
of	O
file	O
,	O
due	O
to	O
its	O
peculiar	O
characteristics	O
(	O
thanks	O
to	O
filename	O
extensions	O
)	O
,	O
or	O
data	O
embedded	O
into	O
the	O
file	O
itself	O
(	O
for	O
example	O
into	O
file	B-General_Concept
header	I-General_Concept
)	O
can	O
be	O
associated	O
with	O
a	O
program	O
that	O
handle	O
it	O
,	O
and	O
this	O
feature	O
improves	O
and	O
completes	O
the	O
capabilities	O
of	O
Amiga	B-Device
to	O
recognize	O
and	O
deal	O
with	O
any	O
kind	O
of	O
file	O
.	O
</s>
<s>
The	O
only	O
known	O
historical	O
USB	B-Protocol
stack	O
for	O
the	O
Amiga	B-Device
was	O
created	O
for	O
the	O
MacroSystem	O
DraCo	B-Device
Amiga	B-Device
clone	O
.	O
</s>
<s>
It	O
supported	O
only	O
USB	B-Protocol
1.0	O
and	O
ceased	O
with	O
the	O
demise	O
of	O
that	O
platform	O
.	O
</s>
<s>
Modern	O
USB	B-Protocol
support	O
drivers	O
for	O
Amiga	B-Device
are	O
:	O
</s>
<s>
Poseidon	O
USB	B-Protocol
stack	O
available	O
for	O
AmigaOS	B-Application
3	O
,	O
AROS	O
,	O
and	O
MorphOS	B-Operating_System
by	O
Chris	O
Hodges	O
(	O
open-source	B-Application
software	I-Application
)	O
.	O
</s>
<s>
Poseidon	O
has	O
a	O
modular	O
approach	O
to	O
USB	B-Protocol
,	O
and	O
various	O
hardware	O
devices	O
are	O
supported	O
by	O
a	O
certain	O
number	O
of	O
HID	B-General_Concept
devices	I-General_Concept
.	O
</s>
<s>
The	O
only	O
known	O
historical	O
Amiga	B-Device
support	O
for	O
FireWire	B-Protocol
was	O
built	O
for	O
the	O
DraCo	B-Device
Amiga	B-Device
clone	O
by	O
Macrosystem	O
.	O
</s>
<s>
Only	O
one	O
FireWire	B-Protocol
interface	O
exists	O
for	O
Amiga	B-Device
.	O
</s>
<s>
It	O
is	O
named	O
Fireworks	O
,	O
and	O
it	O
was	O
created	O
for	O
the	O
MorphOS	B-Operating_System
system	O
by	O
programmer	O
Pavel	O
Fedin	O
.	O
</s>
<s>
The	O
print	O
manager	O
program	O
TurboPrint	B-Device
,	O
by	O
German	O
firm	O
IrseeSoft	O
,	O
is	O
the	O
de	O
facto	O
standard	O
for	O
advanced	O
printing	O
on	O
the	O
Amiga	B-Device
.	O
</s>
<s>
PrintStudio	O
Professional	O
I	O
and	O
II	O
are	O
another	O
well	O
known	O
printer	O
driver	O
system	O
for	O
the	O
Amiga	B-Device
.	O
</s>
<s>
PrintManager	O
v39	O
by	O
Stephan	O
Rupprecht	O
,	O
available	O
at	O
the	O
Aminet	O
repository	O
,	O
is	O
a	O
print	B-Device
spooler	I-Device
for	O
AmigaOS	B-Application
3.x	O
and	O
4.0	O
.	O
</s>
<s>
Video	O
digitizing	O
includes	O
DigiView	O
;	O
the	O
FrameMachine	O
Zorro	O
II	O
expansion	O
card	O
for	O
A2000	O
,	O
3000	O
,	O
4000	O
;	O
the	O
Impact	O
Vision	O
IV24	O
from	O
GVP	B-Device
;	O
the	O
VidiAmiga	O
real	O
time	O
digitizer	O
;	O
and	O
the	O
Paloma	O
module	O
for	O
the	O
Picasso	O
IV	O
graphics	O
card	O
.	O
</s>
<s>
Summagraphics	O
directly	O
supported	O
Amiga	B-Device
with	O
its	O
drivers	O
.	O
</s>
<s>
In	O
1994	O
,	O
GTDriver	O
(	O
Graphic	O
Tablet	O
Driver	O
)	O
was	O
the	O
most	O
common	O
driver	O
for	O
serial	B-Protocol
port	I-Protocol
tablets	O
,	O
like	O
Summagraphics	O
MM	O
,	O
Summagraphics	O
Bitpadone	O
,	O
CalComp	O
2000	O
,	O
Cherry	O
,	O
TekTronix	O
4967	O
,	O
and	O
WACOM	O
.	O
</s>
<s>
Graphics	O
tablets	O
now	O
are	O
mainly	O
USB	B-Protocol
devices	O
and	O
are	O
automatically	O
recognized	O
by	O
Amiga	B-Device
USB	B-Protocol
stacks	O
.	O
</s>
<s>
The	O
Poseidon	O
USB	B-Protocol
driver	O
,	O
written	O
by	O
the	O
same	O
author	O
as	O
FormAldiHyd	O
,	O
Chris	O
Hodges	O
,	O
directly	O
supports	O
USB	B-Protocol
graphics	O
tablets	O
,	O
including	O
ones	O
more	O
modern	O
than	O
FormAldiHyd	O
.	O
</s>
<s>
Amiga	B-Device
programs	O
often	O
have	O
scanner	O
drivers	O
embedded	O
in	O
their	O
interface	O
and	O
are	O
limited	O
to	O
some	O
ancient	O
scanner	O
models	O
.	O
</s>
<s>
In	O
recent	O
times	O
,	O
scanner	O
management	O
is	O
managed	O
by	O
the	O
Amiga	B-Device
Poseidon	O
USB	B-Protocol
stack	O
.	O
</s>
<s>
The	O
Amiga	B-Device
has	O
special	O
circuitry	O
to	O
support	O
a	O
genlock	O
signal	O
and	O
chromakey	O
.	O
</s>
<s>
Genlock	O
software	O
vendors	O
included	O
GVP	B-Device
(	O
Great	B-Device
Valley	I-Device
Products	I-Device
)	O
(	O
an	O
American	O
hardware	O
manufacturer	O
)	O
and	O
Hama	O
,	O
Electronic	O
Design	O
,	O
and	O
Sirius	O
genlocks	O
from	O
Germany	O
.	O
</s>
<s>
The	O
IRCom	O
class	O
is	O
a	O
driver	O
that	O
supports	O
the	O
IRCom	O
standard	O
and	O
is	O
available	O
for	O
the	O
USB	B-Protocol
Poseidon	O
Stack	O
.	O
</s>
<s>
Pegasos	B-Device
computers	O
have	O
an	O
internal	O
IrDA	O
port	O
connector	O
for	O
connecting	O
infrared	O
devices	O
,	O
but	O
MorphOS	B-Operating_System
offers	O
no	O
support	O
for	O
it	O
.	O
</s>
<s>
The	O
internal	O
IrDA	O
port	O
can	O
be	O
used	O
by	O
installing	O
Linux	B-Application
.	O
</s>
<s>
The	O
Amiga	B-Device
can	O
use	O
WiFi	O
external	O
routers	B-Protocol
connected	O
physically	O
through	O
Ethernet	O
cable	O
and	O
talk	O
with	O
remote	O
WiFi	O
devices	O
.	O
</s>
<s>
Drivers	O
are	O
available	O
for	O
Prism2	O
internal	O
PCI	B-Protocol
and	O
PCMCIA	B-Architecture
WiFi	O
expansion	O
cards	O
,	O
but	O
there	O
are	O
no	O
drivers	O
for	O
Bluetooth	B-Protocol
standard	O
devices	O
like	O
mobile	O
phones	O
,	O
Bluetooth	B-Protocol
handsets	O
,	O
keyboards	O
,	O
or	O
mice	O
.	O
</s>
<s>
A	O
USB	B-Protocol
class	O
exists	O
for	O
the	O
Poseidon	O
stack	O
to	O
use	O
the	O
"	O
Wireless	O
PC	O
Lock	O
"	O
USB	B-Protocol
device	O
by	O
and	O
engage	O
its	O
security	O
functions	O
.	O
</s>
<s>
Drivers	O
for	O
single-frame	O
video	O
recorders	O
allow	O
users	O
to	O
save	O
on	O
tape	O
the	O
3D	O
animations	O
created	O
on	O
the	O
Amiga	B-Device
using	O
Ampex	O
and	O
Betacam	O
devices	O
.	O
</s>
<s>
The	O
Amiga	B-Device
helped	O
to	O
create	O
and	O
launch	O
digital	O
recorders	O
coupled	O
with	O
an	O
internal	O
hard	B-Device
disk	I-Device
and	O
a	O
DVD	O
drive	O
for	O
file	O
transfer	O
.	O
</s>
<s>
One	O
was	O
,	O
one	O
of	O
the	O
first	O
digital	O
video	O
recorders	O
,	O
based	O
on	O
a	O
SCSI	O
system	O
and	O
a	O
Zorro	O
II	O
Amiga	B-Device
expansion	O
card	O
.	O
</s>
<s>
Expansion	O
cards	O
could	O
transform	O
an	O
Amiga	B-Device
into	O
a	O
waveform	O
monitor	O
or	O
vectorscope	O
.	O
</s>
<s>
The	O
Phonepak	O
card	O
from	O
GVP	B-Device
transformed	O
the	O
Amiga	B-Device
into	O
a	O
telephone	O
switchboard	O
,	O
fax	O
system	O
,	O
and	O
SOHO	O
(	O
small	O
office/home	O
office	O
)	O
answering	O
machine	O
.	O
</s>
<s>
The	O
Amiga	B-Device
was	O
used	O
as	O
a	O
video	O
titler	O
system	O
in	O
the	O
experimental	O
era	O
of	O
high-definition	B-Device
television	I-Device
.	O
</s>
<s>
A	O
battery	O
of	O
three	O
Amigas	B-Device
was	O
used	O
as	O
a	O
video	O
titler	O
on	O
analog	O
HDTV	B-Device
experiments	O
on	O
HDTV	B-Device
NTSC	O
1125	O
lines	O
standard	O
,	O
by	O
channels	O
like	O
ESPN	O
,	O
ABC	O
,	O
and	O
NBC	O
.	O
</s>
