If you are not sure what an MQ Server Connection Channel is, check out our Getting Started tutorial. These examples are based on Linux.
This assumes you have already created a queue. If you are not sure the name of the queue manager, use the dspmq command to display the queue managers. This assumes that the "mqm" users .bash_profile has been updated to have PATH=$PATH:<root installation directory>/bin.
You will typically display the current configuration of the queue before altering the queue. Use the alter qlocal command to alter a local queue. In this example, QUEUE01 is updated to have a description of "Hello World".
echo "alter qlocal(QUEUE01) DESCR (Hello World)" | runmqsc MANAGER01