<s>
The	O
Executive	B-Language
Systems	I-Language
Problem	I-Language
Oriented	I-Language
Language	I-Language
(	O
ESPOL	B-Language
)	O
is	O
a	O
programming	O
language	O
,	O
a	O
superset	O
of	O
ALGOL	B-Language
60	I-Language
,	O
that	O
provides	O
abilities	O
of	O
what	O
would	O
later	O
be	O
termed	O
a	O
system	B-Language
programming	I-Language
language	I-Language
or	O
machine	O
oriented	O
high	O
order	O
language	O
(	O
mohol	O
)	O
,	O
such	O
as	O
interrupting	O
a	O
processor	O
on	O
a	O
multiprocessing	B-Operating_System
system	O
(	O
the	O
Burroughs	B-Device
large	I-Device
systems	I-Device
were	O
multiprocessor	B-Operating_System
systems	O
)	O
.	O
</s>
<s>
ESPOL	B-Language
was	O
used	O
to	O
write	O
the	O
Master	B-Application
Control	I-Application
Program	I-Application
(	O
MCP	B-Application
)	O
on	O
Burroughs	O
computer	O
systems	O
from	O
the	O
B5000	O
to	O
the	O
B6700	O
.	O
</s>
<s>
The	O
single-pass	O
compiler	B-Language
for	O
ESPOL	B-Language
could	O
compile	B-Language
over	O
250	O
lines	O
per	O
second	O
.	O
</s>
<s>
ESPOL	B-Language
was	O
superseded	O
by	O
NEWP	B-Language
.	O
</s>
