<s>
A	O
snapshot	B-Operating_System
algorithm	I-Operating_System
is	O
used	O
to	O
create	O
a	O
consistent	O
snapshot	O
of	O
the	O
global	O
state	O
of	O
a	O
distributed	B-Architecture
system	I-Architecture
.	O
</s>
<s>
Several	O
computers	O
work	O
together	O
in	O
a	O
distributed	B-Architecture
system	I-Architecture
.	O
</s>
<s>
A	O
snapshot	B-Operating_System
algorithm	I-Operating_System
avoids	O
such	O
inconsistencies	O
.	O
</s>
