<s>
Tape	B-Device
labels	I-Device
are	O
identifiers	O
given	O
to	O
volumes	O
of	O
magnetic	O
tape	O
.	O
</s>
<s>
There	O
are	O
two	O
kinds	O
of	O
tape	B-Device
labels	I-Device
.	O
</s>
<s>
The	O
labels	O
have	O
evolved	O
to	O
have	O
barcodes	O
that	O
can	O
be	O
read	O
by	O
tape	B-Device
libraries	I-Device
.	O
</s>
<s>
To	O
read	O
the	O
bar	O
code	O
,	O
the	O
tape	B-Device
library	I-Device
need	O
only	O
position	O
the	O
volume	O
in	O
front	O
of	O
the	O
bar	O
code	O
reader	O
.	O
</s>
<s>
Originally	O
,	O
7	O
-	O
and	O
9-track	O
data	B-Architecture
tapes	I-Architecture
only	O
had	O
human	O
readable	O
labels	O
on	O
them	O
(	O
i.e.	O
</s>
<s>
Some	O
computer	O
systems	O
used	O
similar	O
labels	O
on	O
other	O
serial	O
media	O
,	O
for	O
example	O
punched	B-Architecture
card	I-Architecture
decks	O
and	O
sometimes	O
line	O
printer	O
output	O
.	O
</s>
<s>
IBM	O
tape	B-Device
labels	I-Device
with	O
VOL/HDR/EOV/EOF	O
records	O
.	O
</s>
<s>
IBM	O
tape	B-Device
labels	I-Device
on	O
9-track	O
tapes	O
use	O
EBCDIC	B-Language
character	O
encoding	O
;	O
7-track	O
tapes	O
(	O
now	O
obsolete	O
)	O
used	O
BCD	O
encoding	O
.	O
</s>
<s>
ANSI/ISO/ECMA	O
tape	B-Device
labels	I-Device
are	O
similar	O
to	O
IBM	O
tape	B-Device
labels	I-Device
but	O
use	O
the	O
ASCII	B-Protocol
character	I-Protocol
set	I-Protocol
on	O
9-track	O
tape	O
.	O
</s>
<s>
The	O
Burroughs	B-Application
MCP	I-Application
running	O
on	O
the	O
B5000	O
was	O
one	O
of	O
the	O
earliest	O
systems	O
to	O
automatically	O
read	O
tape	B-Device
labels	I-Device
.	O
</s>
<s>
Some	O
tapes	O
(	O
e.g.	O
,	O
later	O
versions	O
of	O
Linear	B-Operating_System
Tape-Open	I-Operating_System
and	O
Advanced	B-Device
Intelligent	I-Device
Tape	I-Device
)	O
are	O
using	O
RFID	B-Application
tags	I-Application
.	O
</s>
<s>
Often	O
these	O
RFID	B-Application
tags	I-Application
include	O
tape	O
metadata	O
such	O
as	O
data	O
locations	O
,	O
number	O
of	O
tape	O
errors	O
encountered	O
,	O
number	O
of	O
times	O
the	O
entire	O
tape	O
was	O
read	O
or	O
written	O
,	O
etc	O
.	O
</s>
