<s>
G.ho.st	B-General_Concept
(	O
usually	O
pronounced	O
ghost	O
)	O
was	O
the	O
trading	O
name	O
of	O
Ghost	O
Inc	O
.	O
and	O
the	O
service	O
name	O
and	O
URL	O
of	O
the	O
company	O
's	O
hosted	O
computer	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
or	O
web	O
desktop	O
service	O
.	O
</s>
<s>
Its	O
name	O
is	O
an	O
acronym	O
of	O
Global	O
Hosted	O
Operating	B-General_Concept
SysTem	I-General_Concept
.	O
</s>
<s>
The	O
old	O
URL	O
G.ho.st	B-General_Concept
was	O
a	O
domain	B-Application
hack	I-Application
(	O
using	O
the	O
São	O
Tomé	O
and	O
Príncipe	O
.st	O
country	O
extension	O
)	O
.	O
</s>
<s>
The	O
G.ho.st	B-General_Concept
service	O
provided	O
a	O
web-based	B-Application
working	O
environment	O
that	O
mimicked	O
the	O
classic	O
desktop	O
provided	O
by	O
personal	O
computer	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
G.ho.st	B-General_Concept
called	O
itself	O
a	O
virtual	O
computer	O
.	O
</s>
<s>
Such	O
services	O
are	O
not	O
considered	O
operating	B-General_Concept
systems	I-General_Concept
in	O
the	O
traditional	O
sense	O
although	O
they	O
are	O
sometimes	O
referred	O
to	O
as	O
Web	O
Operating	B-General_Concept
Systems	I-General_Concept
.	O
</s>
<s>
Whilst	O
they	O
can	O
include	O
a	O
GUI	B-Application
(	O
e.g.	O
</s>
<s>
a	O
desktop	O
)	O
,	O
a	O
(	O
virtual	O
)	O
file	O
system	O
,	O
application	O
management	O
and	O
security	O
,	O
they	O
do	O
not	O
contain	O
a	O
kernel	B-Operating_System
to	O
interface	O
with	O
physical	O
hardware	O
.	O
</s>
<s>
Therefore	O
,	O
to	O
use	O
the	O
service	O
an	O
operating	B-General_Concept
system	I-General_Concept
is	O
required	O
,	O
supporting	O
at	O
least	O
a	O
web	B-Application
browser	I-Application
from	O
which	O
the	O
service	O
can	O
be	O
run	O
.	O
</s>
<s>
The	O
beta	O
launch	O
near	O
Jerusalem	B-Application
was	O
attended	O
by	O
Quartet	O
Representative	O
and	O
former	O
UK	O
prime	O
minister	O
Tony	O
Blair	O
.	O
</s>
<s>
G.ho.st	B-General_Concept
was	O
hosted	O
on	O
Amazon	B-Application
Web	I-Application
Services	I-Application
,	O
utilizing	O
cloud	B-Architecture
computing	I-Architecture
on	O
the	O
backend	O
and	O
delivering	O
a	O
consumer	O
version	O
of	O
cloud	B-Architecture
computing	I-Architecture
.	O
</s>
<s>
According	O
to	O
the	O
G.ho.st	B-General_Concept
website	O
(	O
which	O
is	O
no	O
longer	O
accessible	O
)	O
,	O
it	O
was	O
planned	O
to	O
additionally	O
offer	O
a	O
commercial	O
,	O
fully	O
featured	O
and	O
scalable	O
private	O
cloud	O
file	O
system	O
(	O
Ghost	O
Cloud	O
File	O
System	O
,	O
CFS	O
)	O
that	O
would	O
have	O
run	O
within	O
the	O
customer	O
's	O
own	O
Amazon	B-Application
web	I-Application
services	I-Application
account	O
.	O
</s>
<s>
On	O
March	O
3	O
,	O
2010	O
,	O
Ghost.cc	O
(	O
which	O
replaced	O
the	O
previous	O
URL	O
G.ho.st	B-General_Concept
)	O
sent	O
the	O
users	O
the	O
following	O
e-mail	O
:	O
</s>
<s>
You	O
might	O
like	O
to	O
consider	O
Google	B-Application
Docs	I-Application
or	O
Microsoft	O
SkyDrive	O
for	O
files	O
and	O
services	O
such	O
as	O
Gmail	O
or	O
Yahoo	O
!	O
</s>
