Channel is a Logical communication. These are of two types 
1.Message Channels and 2.MQI(message queue interface) 
channels.

channels are objects that provides a communication path  
from one queue manager to another.

Messaging means that programs communicate with each other 
by sending data in messages and
not by calling each other directly.

Local Queues,Alias Queues,Remote Queues and Model queues.

1.Local Queue
2.Remote Queue
3.Transmission Queue
4.Initiation Queue
5.Dynamic Queue
6.Alias Queue
7.Dead-letter Queue
8.Reply-to-Queue
9.Model Queue
10Repository Queue

internet explorer will works only on windows based 
application. i.e., in closed systems.

but nescape navigator(developed in UNIX) will work in open 
system(Unix, Linux) as well as in closed systems(windows).

just i'm expecting. but, not sure.

Internet Explorer is make of Microsfot and
Netscafe Navigator is make of Netscafe

YES, U have to run the RULESTABLE file to retrieve the 
messages on the dead letter queue. This proces can be 
handled by DEAD LETTER HANDLER.

yes, we can handle the message in deadletterq?
how means.
ans> we have two commands to retrieve messages from DLQ.
Action(fwd) fwdq fwdqm.
then that DLQ message forward to this particular q.
ACTION(RETRY)

My rules table containg below code: RUNMQDLQ


INPUTQ(DEAD.LETTER.QUEUE) INPUTQM(QMGR NAME)
REASON(2087) ACTION(FWD) FWDQ(QUEUENAME) FWDQM(QMGR NAME)

Hi Vamsi,
Can you little bit explore your answer?

Thanks,
Abhishek

If the dead letter queue name is system.dead.letter.queue

By using the below command we can retrive the message from
the dead letter queue.

amqsget system.dead.letter.queue queuemanger

try it
:-)