<s>
ipcrm	B-Device
is	O
a	O
Unix	B-Application
and	O
Linux	B-Application
command	B-Application
which	O
will	O
mark	O
System	B-Operating_System
V	I-Operating_System
interprocess	O
communication	O
API	O
kernel	B-Operating_System
entities	O
for	O
removal	O
.	O
</s>
<s>
System	B-Operating_System
V	I-Operating_System
IPC	O
kernel	B-Operating_System
entities	O
are	O
:	O
</s>
<s>
On	O
Linux	B-Application
,	O
the	O
command	B-Application
is	O
provided	O
by	O
the	O
util-linux	B-Application
package	O
.	O
</s>
<s>
The	O
command	B-Application
has	O
also	O
been	O
ported	O
to	O
the	O
IBM	B-Application
i	I-Application
operating	O
system	O
.	O
</s>
