<s>
The	O
DEC	B-Language
Text	I-Language
Processing	I-Language
Utility	I-Language
(	O
or	O
DECTPU	B-Language
)	O
is	O
a	O
dedicated	O
programming	O
language	O
developed	O
by	O
Digital	O
Equipment	O
Corporation	O
(	O
DEC	O
)	O
to	O
easily	O
create	O
multi-functional	O
text	B-Application
editors	I-Application
.	O
</s>
<s>
TPU	O
is	O
part	O
of	O
OpenVMS	B-Operating_System
.	O
</s>
<s>
It	O
can	O
be	O
used	O
on	O
a	O
terminal	O
,	O
a	O
console	O
,	O
or	O
on	O
a	O
graphical	O
system	O
like	O
DECwindows	B-Application
.	O
</s>
<s>
The	O
text	B-Application
editor	I-Application
is	O
callable	O
,	O
so	O
you	O
could	O
have	O
small	O
text	B-Application
editors	I-Application
built	O
into	O
specific	O
applications	O
,	O
e.g.	O
</s>
<s>
You	O
might	O
redirect	O
output	O
from	O
applications	O
into	O
a	O
text	O
window	O
,	O
using	O
inter-process	B-Operating_System
communication	I-Operating_System
.	O
</s>
<s>
EVE	B-Application
(	O
Extensible	B-Application
Versatile	I-Application
Editor	I-Application
)	O
,	O
the	O
first	O
TPU-based	O
editor	O
,	O
delivered	O
with	O
VAX/VMS	B-Operating_System
by	O
mid-1985	O
.	O
</s>
<s>
A	O
version	O
of	O
the	O
vi	B-Application
editor	I-Application
was	O
created	O
by	O
Gregg	O
Wonderly	O
at	O
Oklahoma	O
State	O
University	O
called	O
TPUVI	O
or	O
VITPU	B-Language
.	O
</s>
<s>
VITPU	B-Language
is	O
still	O
available	O
via	O
the	O
DECUS	O
archives	O
online	O
.	O
</s>
