<s>
SM	B-Device
EVM	I-Device
( СМ	O
ЭВМ	O
,	O
abbreviation	O
of	O
Система	O
Малых	O
ЭВМ	O
—	O
literally	O
System	O
of	O
Mini	B-Architecture
Computers	I-Architecture
)	O
are	O
several	O
types	O
of	O
Soviet	O
and	O
Comecon	O
minicomputers	B-Architecture
produced	O
from	O
1975	O
through	O
the	O
1980s	O
.	O
</s>
<s>
Most	O
types	O
of	O
SM	B-Device
EVM	I-Device
are	O
clones	B-General_Concept
of	O
DEC	B-Device
PDP-11	I-Device
and	O
VAX	B-Device
.	O
</s>
<s>
SM-1	O
and	O
SM-2	O
are	O
clones	B-General_Concept
of	O
Hewlett-Packard	O
minicomputers	B-Architecture
.	O
</s>
<s>
The	O
common	O
operating	O
systems	O
for	O
the	O
PDP-11	B-Device
clones	B-General_Concept
are	O
translated	O
versions	O
of	O
RSX-11	O
( ОС	O
РВ	O
)	O
for	O
the	O
higher	O
spec	O
models	O
and	O
RT-11	O
( РАФОС	O
,	O
ФОДОС	O
)	O
for	O
lower	O
spec	O
models	O
.	O
</s>
<s>
Also	O
available	O
for	O
the	O
high-end	O
PDP-11	B-Device
clones	B-General_Concept
is	O
MOS	O
,	O
a	O
clone	B-General_Concept
of	O
UNIX	B-Application
.	O
</s>
