<s>
Hi	B-Application
Performance	I-Application
FileSystem	I-Application
(	O
HFS	B-Application
)	O
is	O
a	O
file	B-Application
system	I-Application
used	O
in	O
the	O
HP-UX	B-Application
operating	O
system	O
.	O
</s>
<s>
It	O
is	O
a	O
variant	O
of	O
the	O
Unix	B-Operating_System
File	I-Operating_System
System	I-Operating_System
.	O
</s>
