<s>
UnixWorld	B-Operating_System
(	O
Unixworld	B-Operating_System
:	O
McGraw-Hill	O
'	O
s	O
magazine	O
of	O
open	O
systems	O
computing	O
.	O
)	O
</s>
<s>
is	O
a	O
defunct	O
magazine	O
about	O
Unix	B-Application
systems	I-Application
,	O
published	O
from	O
May	O
1984	O
until	O
December	O
1995	O
.	O
</s>
