PEAR Installation

I have been playing with PEAR and PHP, trying to get it sucessfully installed on my system for some time -- unsucessfully so far. I am using PHP 4.3.1, Apache 2.0 which came packaged with Trustix Secure Linux 2.0. Trying 'lynx -source http://go-pear.org | php' results in the screen sitting and doing nothing (same effect as just entering 'php' on the command-line). Downloading the source manually from this page and parsing it (ie. php pear.php) has the same results. I thought that perhaps pear would already be installed because this is 4.3.1, however I find no evidence of it existing. Looking at the php configure options (provided by phpinfo()) do not show --without-pear. If anyone could offer any advice or other suggestions, I would be extremely appreciative. Thank you, Bob Dankert