<s>
most	O
is	O
a	O
terminal	B-General_Concept
pager	I-General_Concept
program	B-Application
on	O
Unix	B-Application
,	O
OpenVMS	B-Operating_System
,	O
MS-DOS	B-Application
,	O
Windows	B-Application
and	O
Unix-like	B-Operating_System
systems	I-Operating_System
used	O
to	O
view	O
(	O
but	O
not	O
change	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
similar	O
to	O
more	B-Device
,	O
but	O
has	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
and	O
can	O
scroll	O
left	O
and	O
right	O
.	O
</s>
<s>
most	O
also	O
supports	O
multiple	O
windows	B-Application
.	O
</s>
<s>
Mats	O
Akerberg	O
,	O
Henk	O
D	O
.	O
Davids	O
,	O
Rex	O
O	O
.	O
Livingston	O
,	O
and	O
Mark	O
Pizzolato	O
contributed	O
to	O
early	O
VMS	B-Operating_System
versions	O
of	O
most	O
.	O
</s>
<s>
Robert	O
Mills	O
re-wrote	O
the	O
search	B-Application
routines	I-Application
to	O
use	O
regular	B-Language
expressions	I-Language
.	O
</s>
