You may already know this, but if you're new to linux it might be helpful:
Files that have names that start with a "." are "hidden" by default. So, in a terminal, you'll have to specify -l (to ls) in order to see them. In a gui file explorer, you may have to click something like "show hidden files".
I set it to show hidden files and still do not see it.
I am wondering if the file is not there because I have not made any changes to the clam client since installing it?