I had to install it for Ubuntu, but, it definitely was well worth it.
It's s useful if you are connecting with a shell and need to navigate a forest, and also makes a neat html file from any tree you like, which looks good in lynx, or in any web browser for that matter.
The tree gives you the big picture, with tree -d -H . > tree.html
(OMG, I'll be whistling this all day long now. And so will you ;-D )
