<s>
The	O
PDP-8	B-Device
Disk	O
Monitor	O
is	O
a	O
discontinued	O
operating	B-General_Concept
system	I-General_Concept
released	O
by	O
Digital	O
Equipment	O
Corporation	O
for	O
their	O
PDP-8	B-Device
line	O
of	O
mini-computers	O
.	O
</s>
<s>
The	O
minimum	O
hardware	O
requirements	O
consisted	O
of	O
a	O
ASR	B-Application
33	I-Application
teletype	I-Application
,	O
</s>
<s>
3	O
cycle	O
data	O
break	O
(	O
an	O
option	O
on	O
the	O
PDP-8/S	B-Device
model	O
)	O
,	O
and	O
a	O
mass	O
storage	O
option	O
of	O
a	O
DF32	O
disk	O
sub-system	O
or	O
a	O
TC01	O
DECtape	O
unit	O
,	O
with	O
later	O
releases	O
the	O
additional	O
option	O
of	O
using	O
a	O
RF08	O
disk	O
drive	O
.	O
</s>
<s>
The	O
included	O
user	O
programs	O
consisted	O
mainly	O
of	O
modified	O
versions	O
of	O
the	O
paper	O
tape	O
software	O
library	O
distributed	O
by	O
DEC	O
for	O
their	O
PDP-8	B-Device
family	O
of	O
small	O
computers	O
,	O
much	O
of	O
this	O
was	O
exported	O
to	O
the	O
TSS-8	B-Operating_System
and	O
MS/8	B-Application
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
