<s>
An	O
interruptible	B-General_Concept
operating	I-General_Concept
system	I-General_Concept
is	O
an	O
operating	B-General_Concept
system	I-General_Concept
with	O
ability	O
to	O
handle	O
multiple	O
interrupts	B-Application
concurrently	B-Operating_System
,	O
or	O
in	O
other	O
words	O
,	O
which	O
allow	O
interrupts	B-Application
to	O
be	O
interrupted	O
.	O
</s>
<s>
Concurrent	O
interrupt	B-Application
handling	I-Application
essentially	O
mean	O
concurrent	O
execution	O
of	O
kernel	B-Operating_System
code	O
and	O
hence	O
induces	O
the	O
additional	O
complexity	O
of	O
concurrency	B-Operating_System
control	O
in	O
accessing	O
kernel	B-Operating_System
datastructures	O
.	O
</s>
<s>
It	O
also	O
means	O
that	O
the	O
system	O
can	O
stop	O
any	O
program	O
that	O
is	O
already	O
running	O
,	O
which	O
is	O
a	O
feature	O
on	O
nearly	O
all	O
modern	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
