How do I start Firefox using two different profiles at the same time?

I have two profiles (profileA, profileB).

firefox -P profileA
firefox -P profileB

I would like to start two Firefox instances with different profiles. The above commands don't seem to work. What am I missing here?

link|improve this question

1  
firefox -no-remote -P profile_name seems to work – Joshua Jul 29 '11 at 4:36
2  
so have you answered your question? if so, do that as an answer and accept it :) – nik Jul 29 '11 at 5:57
feedback

Know someone who can answer? Share a link to this question via email, Google+, Twitter, or Facebook.

Your Answer

 
or
required, but never shown

Browse other questions tagged or ask your own question.