You may need to run through a quick Linux tutorial.
Need to run “cat /var/log/asterisk/full” without the quotes. It’s going to be a super long output that would scroll by real quick. Often that will be piped to grep when looking for something specific such as
cat /var/log/asterisk/ful | grep "something you are searching for"
I’m still a rookie but that’s often what I run if I’m searching for something the the logs