<s>
In	O
computing	O
,	O
more	O
is	O
a	O
command	B-Application
to	O
view	O
(	O
but	O
not	O
modify	O
)	O
the	O
contents	O
of	O
a	O
text	B-General_Concept
file	I-General_Concept
one	O
screen	O
at	O
a	O
time	O
.	O
</s>
<s>
It	O
is	O
available	O
on	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
systems	I-Operating_System
,	O
DOS	B-Device
,	O
Digital	B-Operating_System
Research	I-Operating_System
FlexOS	I-Operating_System
,	O
IBM/Toshiba	O
4690	B-Language
OS	I-Language
,	O
IBM	B-Application
OS/2	I-Application
,	O
Microsoft	B-Application
Windows	I-Application
and	O
ReactOS	B-Application
.	O
</s>
<s>
The	O
more	O
command	B-Application
was	O
originally	O
written	O
by	O
Daniel	O
Halbert	O
,	O
a	O
graduate	O
student	O
at	O
the	O
University	O
of	O
California	O
,	O
Berkeley	O
,	O
in	O
1978	O
.	O
</s>
<s>
It	O
was	O
later	O
expanded	O
on	O
by	O
Eric	O
Shienbrood	O
,	O
Geoff	O
Peck	O
(	O
added	O
underlining	O
,	O
single	O
spacing	O
)	O
and	O
John	O
Foderaro	O
(	O
added	O
-c	O
,	O
more	O
environment	O
variable	O
history	O
)	O
.	O
</s>
<s>
It	O
was	O
first	O
included	O
in	O
3.0	O
BSD	B-Operating_System
,	O
and	O
has	O
since	O
become	O
a	O
standard	O
program	O
in	O
all	O
Unix	B-Application
systems	I-Application
.	O
</s>
<s>
less	B-Application
,	O
a	O
similar	O
command	B-Application
with	O
the	O
extended	O
capability	O
of	O
allowing	O
both	O
forward	O
and	O
backward	O
navigation	O
through	O
the	O
file	O
,	O
was	O
written	O
by	O
Mark	O
Nudelman	O
between	O
1983	O
and	O
1985	O
and	O
is	O
now	O
included	O
in	O
most	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
The	O
command	B-Application
is	O
available	O
in	O
MS-DOS	B-Application
versions	O
2	O
and	O
later	O
.	O
</s>
<s>
A	O
more	O
command	B-Application
is	O
also	O
part	O
of	O
ASCII	O
's	O
MSX-DOS2	O
Tools	O
for	O
MSX-DOS	B-Operating_System
version	O
2	O
.	O
</s>
<s>
The	O
FreeDOS	B-Application
version	O
was	O
developed	O
by	O
Jim	O
Hall	O
and	O
is	O
licensed	O
under	O
the	O
GPL	O
v2	O
.	O
</s>
<s>
The	O
command	B-Application
is	O
also	O
available	O
in	O
the	O
KolibriOS	B-Operating_System
Shell	O
.	O
</s>
<s>
The	O
command-syntax	O
is	O
:	O
</s>
<s>
There	O
are	O
also	O
other	O
commands	O
that	O
can	O
be	O
used	O
while	O
navigating	O
through	O
the	O
document	O
;	O
consult	O
more	O
's	O
man	B-Protocol
page	I-Protocol
for	O
more	O
details	O
.	O
</s>
<s>
Options	O
entered	O
in	O
the	O
actual	O
command	B-Application
line	O
will	O
override	O
those	O
entered	O
in	O
the	O
$MORE	O
environment	O
variable	O
.	O
</s>
<s>
Available	O
options	O
may	O
vary	O
between	O
Unix	B-Application
systems	I-Application
,	O
but	O
a	O
typical	O
set	O
of	O
options	O
is	O
as	O
follows	O
:	O
</s>
<s>
-c	O
:	O
Do	O
not	O
scroll	O
.	O
</s>
<s>
The	O
command-syntax	O
is	O
:	O
</s>
<s>
The	O
command	B-Application
displays	O
the	O
first	O
screen	O
of	O
information	O
from	O
letter.txt	O
,	O
and	O
then	O
the	O
following	O
prompt	O
appears	O
:	O
</s>
<s>
The	O
command-syntax	O
is	O
:	O
</s>
<s>
command	B-Application
|	O
–	O
Specifies	O
the	O
command	B-Application
whose	O
output	O
will	O
be	O
displayed	O
.	O
</s>
<s>
Return	O
the	O
content	O
of	O
the	O
OS/2	B-Application
system	B-Application
directory	I-Application
using	O
the	O
dir	B-Device
command	B-Application
and	O
display	O
it	O
one	O
screen	O
at	O
a	O
time	O
using	O
the	O
more	O
command	B-Application
:	O
</s>
