<s>
Scalos	B-Device
is	O
a	O
desktop	O
replacement	O
for	O
the	O
original	O
Amiga	B-Operating_System
Workbench	I-Operating_System
GUI	B-Application
,	O
based	O
on	O
a	O
subset	O
of	O
APIs	B-Application
and	O
its	O
own	O
front-end	O
window	B-Application
manager	I-Application
of	O
the	O
same	O
name	O
.	O
</s>
<s>
Scalos	B-Device
is	O
NOT	O
an	O
AmigaOS	B-Application
replacement	O
,	O
although	O
its	O
name	O
suggests	O
otherwise	O
.	O
</s>
<s>
Its	O
goal	O
is	O
to	O
emulate	O
the	O
real	O
Workbench	B-Operating_System
behaviour	O
,	O
plus	O
integrating	O
additional	O
functionality	O
and	O
an	O
enhanced	O
look	O
.	O
</s>
<s>
As	O
stated	O
on	O
its	O
website	O
,	O
the	O
name	O
"	O
Scalos	B-Device
"	O
was	O
inspired	O
by	O
the	O
fictional	O
time-accelerated	O
planet	O
Scalos	B-Device
in	O
the	O
Star	O
Trek	O
episode	O
"	O
Wink	O
of	O
an	O
Eye	O
"	O
.	O
</s>
<s>
Scalos	B-Device
is	O
a	O
former	O
commercial	O
product	O
originally	O
written	O
in	O
1999	O
by	O
programmer	O
Stefan	O
Sommerfield	O
for	O
a	O
software	O
house	O
called	O
AlienDesign	O
.	O
</s>
<s>
The	O
purpose	O
was	O
to	O
recreate	O
the	O
mouse-and-click	O
experience	O
on	O
Amiga	B-Device
,	O
offering	O
an	O
alternative	O
to	O
the	O
Workbench	B-Operating_System
interface	O
present	O
in	O
versions	O
3.0	O
and	O
3.1	O
of	O
AmigaOS	B-Application
(	O
at	O
that	O
time	O
already	O
considered	O
obsolete	O
)	O
.	O
</s>
<s>
A	O
group	O
of	O
English	O
programmers	O
known	O
as	O
Satanic	O
Dreams	O
Software	O
(	O
a	O
software	O
firm	O
developing	O
for	O
Windows	O
,	O
Macintosh	B-Device
and	O
Linux	B-Application
)	O
took	O
over	O
.	O
</s>
<s>
The	O
release	O
versions	O
1.1	O
and	O
1.2	O
(	O
internally	O
versions	O
39.2	O
)	O
came	O
out	O
in	O
2000	O
as	O
freeware	B-License
.	O
</s>
<s>
These	O
may	O
be	O
found	O
on	O
the	O
Amiga	B-Device
Aminet	B-Device
official	O
online	O
repository	O
.	O
</s>
<s>
Scalos	B-Device
was	O
finally	O
open	O
sourced	O
in	O
2012	O
.	O
</s>
<s>
The	O
last	O
release	O
candidate	O
is	O
version	O
41.8	O
RC1	O
;	O
it	O
is	O
compatible	O
with	O
AmigaOS	B-Application
3	O
for	O
the	O
Motorola	B-Device
68000	I-Device
family	O
of	O
processors	O
,	O
with	O
AmigaOS	B-Application
4	I-Application
and	O
MorphOS	B-Operating_System
on	O
PowerPC	B-Architecture
machines	O
,	O
and	O
with	O
AROS	B-Application
,	O
at	O
the	O
moment	O
on	O
computers	O
with	O
processors	O
from	O
Intel	B-General_Concept
80386	I-General_Concept
onwards	O
.	O
</s>
<s>
The	O
Scalos	B-Device
project	O
can	O
be	O
found	O
on	O
SourceForge	B-Application
.	O
</s>
<s>
Scalos	B-Device
is	O
a	O
Workbench-compatible	O
replacement	O
which	O
is	O
declared	O
by	O
its	O
developers	O
100-percent	O
compatible	O
with	O
the	O
original	O
Amiga	B-Device
interface	O
.	O
</s>
<s>
It	O
features	O
internal	O
64-bit	O
arithmetic	O
which	O
allows	O
support	O
for	O
hard	B-Device
disks	I-Device
over	O
64GB	O
,	O
and	O
a	O
complete	O
internal	O
multitasking	O
system	O
(	O
each	O
window	O
drawn	O
on	O
the	O
desktop	O
is	O
represented	O
in	O
the	O
system	O
by	O
its	O
own	O
task	O
)	O
.	O
</s>
<s>
It	O
is	O
completely	O
adjustable	O
by	O
the	O
user	O
,	O
and	O
features	O
a	O
system	O
for	O
drawing	O
and	O
managing	O
windows	O
(	O
as	O
in	O
the	O
standard	O
Amiga	B-Device
Intuition	B-Application
system	O
)	O
.	O
</s>
<s>
Standard	O
Amiga	B-Device
"	O
Palette	O
"	O
and	O
windows	O
"	O
Pattern	O
"	O
preferences	O
have	O
been	O
replaced	O
with	O
new	O
ones	O
.	O
</s>
<s>
Scalos	B-Device
maintains	O
its	O
own	O
API	B-Application
and	O
its	O
own	O
plug-in	B-Application
system	O
for	O
the	O
benefit	O
of	O
developers	O
who	O
want	O
to	O
create	O
software	O
for	O
Scalos	B-Device
and	O
enhance	O
the	O
system	O
.	O
</s>
<s>
Scalos	B-Device
supports	O
as	O
standard	O
icon	O
sets	O
the	O
Amiga	B-Device
NewIcons	B-Operating_System
replacement	O
icons	O
,	O
and	O
the	O
Amiga	B-Device
GlowIcons	B-Operating_System
set	O
on	O
older	O
versions	O
like	O
AmigaOS	B-Application
3.5	O
,	O
including	O
thumbnail	O
previews	O
of	O
files	O
as	O
icons	O
.	O
</s>
<s>
It	O
therefore	O
represents	O
a	O
whole	O
Amiga	B-Device
icon	O
system	O
Datatype	O
capable	O
of	O
supporting	O
various	O
types	O
of	O
icons	O
.	O
</s>
<s>
This	O
includes	O
png	O
icons	O
with	O
alpha	B-Algorithm
channel	I-Algorithm
and	O
transparencies	O
,	O
and	O
scalable	O
icons	O
(	O
the	O
aforementioned	O
NewIcons	B-Operating_System
and	O
GlowIcons	B-Operating_System
)	O
.	O
</s>
<s>
Scalos	B-Device
is	O
also	O
fully	O
truecolor-compliant	O
.	O
</s>
