Thank you, very helpful. That explains why I have to have my .bash_profile source .bashrc for use with tmux, as it executes bash as a login shell. I knew I had

Thank you, very helpful. That explains why I have to have my .bash_profile source .bashrc for use with tmux, as it executes bash as a login shell. I knew I had to have this but wasn't 100% on why until now. Note to self, RTFM!