UPDATE ......Confluence has now been updated to version 9.2.6. Please see following page for details on updates and maintenance:
Updates
By default the Mac OSX terminal window will show the prompt using the hostname - which can be anything, assigned from DHCP.
To have it display the name as configured in the Sharing control panel, edit /etc/bashrc
and replace PS1 with this:
PS1="[\u@:$(scutil --get ComputerName) \W]\\$ "