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Well, if you want _badly_ to end your prompt with ">" for users and "#" 
for root, you could try something like this:

   PROMPT_COMMAND='PCHAR=$([ $UID = 0 ] && echo "#" || echo ">")'
   export PS1="\u@\h: \w$PCHAR "

I recommend you to just use "\$" though.
-- 
Leonardo Boiko

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