we can use mq provided sample program amqsput to put the message into the queue . refer below screen
In the same way if we want to get the message from the queue use amqsget .
amqsget TESTQ QM1
To browse the message without getting out then use below command
amqsbcg TESTQ QM1
Syntax: 1st parameter is Queue name and 2nd parameter is the QMGR name
In the AIX machine the path is /usr/mqm/samp/bin and in Linux/Solaris it is /opt/mqm/samp/bin