You have 10 terminals open, all to different servers and typed and exec’d the last rm -rf * on your repository server instead of the dev box with the export you didn’t need anymore – well – too bad:
[ad#1] This nifty little command will show your username, hostname and path in your terminal window title:
PROMPT_COMMAND='echo -ne " 33]0;${USER}@${HOSTNAME}: ${PWD} 07"'
Just put it on the bottom of /etc/profile (or anywhere else that is loaded upon login) tested on OS X onboard terminal and iTerm.