<s>
Bring	B-Operating_System
your	I-Operating_System
own	I-Operating_System
operating	I-Operating_System
system	I-Operating_System
(	O
BYOOS	O
)	O
relates	O
to	O
the	O
practice	O
of	O
providing	O
PC	O
computers	O
,	O
usually	O
without	O
internally	O
installed	O
disks	O
,	O
so	O
users	O
can	O
bring	O
their	O
own	O
operating	O
system	O
(	O
commonly	O
on	O
USB	O
pen	O
drives	O
)	O
and	O
use	O
the	O
supplied	O
hardware	O
with	O
the	O
operating	O
system	O
of	O
their	O
choice	O
.	O
</s>
<s>
Bootable	O
versions	O
of	O
Linux	B-Application
were	O
available	O
by	O
1993	O
.	O
</s>
<s>
In	O
2012	O
,	O
Microsoft	O
Windows	O
8	O
Enterprise	O
Edition	O
followed	O
,	O
by	O
introduced	O
Windows	O
To	O
Go	O
functionality	O
to	O
allow	O
the	O
operating	O
system	O
to	O
boot	O
and	O
run	O
from	O
mass	O
storage	O
devices	O
such	O
as	O
USB	O
flash	O
drives	O
thus	O
enabling	O
BYOOS	O
in	O
the	O
Windows	O
family	O
of	O
operating	O
system	O
similar	O
to	O
that	O
of	O
a	O
Linux	B-Application
live	O
CD/DVD	O
.	O
</s>
<s>
The	O
introduction	O
of	O
cloud	B-Application
based	I-Application
storage	I-Application
,	O
means	O
portable	O
operating	O
systems	O
are	O
free	O
of	O
the	O
need	O
to	O
store	O
data	O
locally	O
.	O
</s>
