PS1

.bashrc

case $TERM in
xterm*|cygwin*|screen)
    termstr='\[\033]0;\h:\w\007\]'
    ;;  
*)
    ;;  
esac

function promptreturn {   ret=$?;   if test "$ret" = "0";     then echo -e "\e[1;32m$ret";   else   echo -e "\e[1;31m$ret"; fi; unset ret; }

clock="\[\e[1;31m\]\@"

if test "$UID" = "0"; then
back="\[\e[0;31m\]"
else
back="\[\e[1;34m\]"
fi
fore="\[\e[0;36m\]"

temp=`tty`
loc=`echo ${temp:5}`

PS1="${termstr}${back}[${clock}${back}] [\[\e[0;35m\]${loc}${back}] [${fore}return: \$(promptreturn)${back}] [\[\e[1;35m\]\w${back}]\n${back}[${fore}\h${back}]\\$\[\e[0m\] "

unset temp termstr back fore loc clock