Red Hat question: prompt display full path?

[TJN23]

I'm running redhat and my command prompt looks like this when i navigate to /usr/bin:

[root@myhostname /bin]#

How do I get it to look like this:

[root@myhostname /usr/bin]#

 

[yinan]

I dont know to make that prompt exactly but to make it look like the dos path you can make it look similar.
My prompt is /root/home:>

You get this by adding the following line to the end of your /etc/bashrc file I believe.
PS='$PWD:> ';export PS1