<s>
tip	O
is	O
a	O
Unix	B-Application
utility	O
for	O
establishing	O
a	O
terminal	B-Application
connection	O
to	O
a	O
remote	O
system	O
via	O
a	O
modem	B-Application
.	O
</s>
<s>
It	O
is	O
commonly	O
associated	O
with	O
BSD	B-Operating_System
Unix	I-Operating_System
,	O
as	O
well	O
as	O
other	O
UNIX	B-Application
operating	I-Application
systems	I-Application
such	O
as	O
Sun	O
's	O
Solaris	B-Application
.	O
</s>
<s>
The	O
name	O
may	O
refer	O
to	O
ARPANET	O
's	O
Terminal	B-Application
Interface	O
Processor	O
(	O
TIP	O
)	O
,	O
</s>
<s>
a	O
variant	O
of	O
the	O
IMP	B-Protocol
,	O
used	O
to	O
connect	O
serial	O
terminals	O
directly	O
with	O
ARPANET	O
.	O
</s>
<s>
tip	O
is	O
referred	O
to	O
in	O
the	O
Solaris	B-Application
documentation	O
as	O
the	O
preferred	O
terminal	B-Application
emulator	I-Application
to	O
connect	O
to	O
a	O
Sun	B-Device
workstation	I-Device
's	O
serial	O
port	O
for	O
maintenance	O
purposes	O
,	O
for	O
example	O
,	O
to	O
configure	O
the	O
OpenPROM	B-Architecture
firmware	O
.	O
</s>
<s>
This	O
Expect	O
script	B-Device
is	O
a	O
simple	O
example	O
that	O
establishes	O
a	O
terminal	B-Application
session	O
:	O
</s>
<s>
As	O
tip	O
does	O
not	O
have	O
the	O
built-in	O
logging	O
capabilities	O
that	O
Minicom	B-Language
has	O
,	O
we	O
need	O
to	O
use	O
some	O
other	O
means	O
to	O
record	O
the	O
session	O
.	O
</s>
<s>
One	O
way	O
is	O
to	O
use	O
script	B-Device
:	O
</s>
<s>
In	O
the	O
above	O
example	O
,	O
run	O
on	O
a	O
Sun	B-Architecture
SPARC	I-Architecture
20	O
workstation	O
running	O
Solaris	B-Application
9	I-Application
,	O
we	O
first	O
created	O
a	O
log	O
file	O
called	O
install.log	O
in	O
the	O
current	O
directory	O
using	O
script	B-Device
 '	O
and	O
then	O
tell	O
tip	O
to	O
use	O
serial	O
port	O
B	O
.	O
</s>
