<s>
The	O
second-system	B-General_Concept
effect	I-General_Concept
or	O
second-system	B-General_Concept
syndrome	I-General_Concept
is	O
the	O
tendency	O
of	O
small	O
,	O
elegant	O
,	O
and	O
successful	O
systems	O
to	O
be	O
succeeded	O
by	O
over-engineered	O
,	O
bloated	O
systems	O
,	O
due	O
to	O
inflated	O
expectations	O
and	O
overconfidence	O
.	O
</s>
<s>
It	O
described	O
the	O
jump	O
from	O
a	O
set	O
of	O
simple	O
operating	O
systems	O
on	O
the	O
IBM	B-Device
700/7000	I-Device
series	I-Device
to	O
OS/360	B-Application
on	O
the	O
360	O
series	O
,	O
which	O
happened	O
in	O
1964	O
.	O
</s>
