<s>
Intuition	B-Application
is	O
the	O
native	O
windowing	B-Application
system	I-Application
and	O
user	O
interface	O
(	O
UI	O
)	O
engine	O
of	O
AmigaOS	B-Application
.	O
</s>
<s>
Intuition	B-Application
should	O
not	O
be	O
confused	O
with	O
Workbench	B-Operating_System
,	O
the	O
AmigaOS	B-Application
desktop	O
environment	O
and	O
spatial	O
file	O
manager	O
,	O
which	O
relies	O
on	O
Intuition	B-Application
for	O
handling	O
windows	O
and	O
input	O
events	O
.	O
</s>
<s>
Workbench	B-Operating_System
uses	O
Intuition	B-Application
to	O
produce	O
displays	O
and	O
AmigaDOS	O
to	O
interact	O
with	O
filing	O
system	O
:	O
AmigaDOS	O
is	O
built	O
on	O
Exec	B-Operating_System
(	O
OS	O
kernel	O
)	O
.	O
</s>
<s>
Intuition	B-Application
is	O
the	O
internal	O
widget	O
and	O
graphics	O
system	O
.	O
</s>
<s>
It	O
is	O
not	O
implemented	O
primarily	O
as	O
an	O
application-managed	O
graphics	O
library	O
(	O
as	O
most	O
systems	O
,	O
following	O
Xerox	O
's	O
design	O
,	O
have	O
done	O
)	O
,	O
but	O
rather	O
as	O
a	O
separate	O
task	B-General_Concept
that	O
maintains	O
the	O
state	O
of	O
all	O
the	O
standard	O
UI	O
elements	O
independently	O
from	O
the	O
application	O
.	O
</s>
<s>
The	O
Intuition	B-Application
task	B-General_Concept
is	O
driven	O
by	O
user	O
events	O
through	O
the	O
mouse	B-Device
,	O
keyboard	B-Device
,	O
and	O
other	O
input	O
devices	O
.	O
</s>
<s>
It	O
also	O
arbitrates	O
collisions	O
of	O
the	O
mouse	B-Device
pointer	O
and	O
icons	O
and	O
control	O
of	O
"	O
animated	O
icons	O
"	O
.	O
</s>
<s>
Like	O
most	O
GUIs	O
of	O
the	O
day	O
,	O
Amiga	O
's	O
Intuition	B-Application
followed	O
Xerox	O
's	O
lead	O
anteceding	O
solutions	O
,	O
but	O
pragmatically	O
,	O
a	O
command	O
line	O
interface	O
was	O
also	O
included	O
and	O
it	O
extended	O
the	O
functionality	O
of	O
the	O
platform	O
.	O
</s>
<s>
Later	O
releases	O
added	O
more	O
improvements	O
,	O
like	O
support	O
for	O
high-color	O
Workbench	B-Operating_System
screens	O
and	O
3D	O
aspect	O
.	O
</s>
<s>
Replacement	O
desktop	O
file	O
managers	O
were	O
also	O
made	O
available	O
,	O
such	O
as	O
Directory	B-Application
Opus	I-Application
Magellan	I-Application
and	O
Scalos	B-Device
interface	O
.	O
</s>
<s>
Intuition	B-Application
was	O
heavily	O
extended	O
upon	O
release	O
of	O
version	O
2	O
of	O
the	O
AmigaOS	B-Application
.	O
</s>
<s>
The	O
Basic	O
Object-Oriented	B-Language
Programming	I-Language
System	I-Language
for	O
Intuition	B-Application
(	O
BOOPSI	O
)	O
was	O
introduced	O
.	O
</s>
<s>
It	O
allows	O
a	O
programmer	O
to	O
build	O
graphics	O
user	O
interface	O
using	O
object-oriented	B-Language
programming	I-Language
.	O
</s>
<s>
Due	O
to	O
the	O
limitations	O
of	O
Intuition	B-Application
's	O
basic	O
widget	O
set	O
,	O
developers	O
adopted	O
other	O
third-party	O
GUI	O
toolkits	O
,	O
such	O
as	O
Magic	B-Library
User	I-Library
Interface	I-Library
(	O
MUI	O
)	O
,	O
and	O
ReAction	B-Library
.	O
</s>
<s>
These	O
object	B-Language
oriented	I-Language
UI	O
engines	O
driven	O
by	O
"	O
classes	O
"	O
of	O
graphic	O
objects	O
and	O
functions	O
with	O
new	O
standard	O
gadgets	O
,	O
animated	O
buttons	O
,	O
true-color	O
icons	O
,	O
etc	O
.	O
</s>
<s>
MUI	O
and	O
similar	O
systems	O
abandoned	O
the	O
separation	O
of	O
the	O
User	O
Interface	O
between	O
the	O
application	O
(	O
which	O
specified	O
gadgets	O
to	O
be	O
displayed	O
)	O
and	O
the	O
Intuition	B-Application
task	B-General_Concept
(	O
which	O
actually	O
managed	O
gadgets	O
for	O
all	O
applications	O
,	O
even	O
when	O
they	O
were	O
busy	O
)	O
.	O
</s>
<s>
Modern	O
day	O
successors	O
to	O
the	O
Workbench	B-Operating_System
environment	O
include	O
Ambient	B-Language
for	O
MorphOS	B-Operating_System
,	O
Scalos	B-Device
,	O
Workbench	B-Operating_System
for	O
AmigaOS	B-Application
4	I-Application
and	O
Wanderer	B-Library
for	O
AROS	B-Application
.	O
</s>
<s>
There	O
is	O
a	O
brief	O
article	O
on	O
Ambient	B-Language
and	O
descriptions	O
of	O
MUI	O
icons	O
,	O
menus	O
and	O
gadgets	O
(	O
aps.fr	O
)	O
and	O
images	O
of	O
Zune	B-Library
stay	O
at	O
main	O
.	O
</s>
<s>
A	O
new	O
object-oriented	B-Language
toolkit	O
for	O
all	O
Amiga-like	O
platforms	O
(	O
AmigaOS	B-Application
,	O
MorphOS	B-Operating_System
,	O
AROS	B-Application
)	O
,	O
Feelin	O
,	O
was	O
introduced	O
in	O
2005	O
,	O
and	O
makes	O
extensive	O
use	O
of	O
XML	B-Protocol
guidelines	O
.	O
</s>
<s>
It	O
uses	O
its	O
own	O
memory	O
management	O
system	O
,	O
and	O
its	O
memory-pools	O
system	O
shares	O
the	O
embedded	O
OS	O
's	O
semaphores	B-Operating_System
.	O
</s>
<s>
Stewart	O
Alsop	O
II	O
said	O
in	O
1988	O
that	O
Intuition	B-Application
was	O
among	O
several	O
GUIs	O
that	O
"	O
have	O
already	O
been	O
knocked	O
out	O
"	O
of	O
the	O
market	O
by	O
Apple	O
,	O
IBM/Microsoft	O
,	O
and	O
others	O
.	O
</s>
<s>
Stating	O
that	O
it	O
"	O
was	O
slapped	O
together	O
in	O
about	O
six	O
months	O
...	O
and	O
that	O
lack	O
of	O
forethought	O
or	O
vision	O
shows	O
"	O
,	O
he	O
criticized	O
Intuition	B-Application
's	O
drive	O
letters	O
,	O
lack	O
of	O
network	O
support	O
,	O
and	O
"	O
hundreds	O
of	O
other	O
small	O
features	O
"	O
.	O
</s>
