<s>
with	O
the	O
Texas	O
Instruments	O
990/10	B-Device
,	I-Device
990/10A	I-Device
and	I-Device
990/12	I-Device
minicomputers	O
using	O
the	O
memory	O
mapping	O
feature	O
.	O
</s>
<s>
The	O
user	O
communicated	O
with	O
DX10	B-Operating_System
easily	O
through	O
the	O
System	O
Command	O
Interpreter	O
(	O
SCI	O
)	O
.	O
</s>
<s>
DX10	B-Operating_System
in	O
a	O
conversational	O
format	O
.	O
</s>
<s>
Through	O
SCI	O
the	O
user	O
had	O
access	O
to	O
complete	O
control	O
of	O
DX10	B-Operating_System
.	O
</s>
<s>
DX10	B-Operating_System
was	O
capable	O
of	O
extensive	O
file	O
management	O
.	O
</s>
<s>
DX10	B-Operating_System
offered	O
a	O
number	O
of	O
features	O
that	O
provide	O
convenient	O
use	O
of	O
the	O
minicomputers	O
system	O
capabilities	O
:	O
</s>
<s>
With	O
proper	O
preparation	O
,	O
peripheral	O
devices	O
that	O
are	O
not	O
part	O
of	O
the	O
990	O
computer	O
family	O
can	O
be	O
interfaced	O
through	O
DX10	B-Operating_System
.	O
</s>
<s>
A	O
macro	B-Language
assembler	I-Language
for	O
translating	O
assembly	B-Language
language	I-Language
programs	O
into	O
executable	O
machine	O
code	O
.	O
</s>
<s>
Support	O
of	O
high-level	O
languages	O
,	O
including	O
Fortran	B-Application
,	O
COBOL	B-Application
,	O
Pascal	B-Application
,	O
RPG	B-Language
II	I-Language
,	O
and	O
BASIC	O
.	O
</s>
