The code was basically taken from IOS code, so if you've done OSPF on a router before then it's the same.
Other than that read the config guide here:
http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/config/bafwcfg.htm#1112559
Not meaning to be rude, but you ask an awful lot of questions that could be simply answered by reading through release notes, config guides, command references and sample configs. Below is a link to each of these for the PIX:
Release Notes, Config Guides and Command References:
http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/
Sample configs:
http://www.cisco.com/pcgi-bin/Support/browse/psp_view.pl?p=Hardware:PIX&s=Software_Configuration
Pleae read through all of these and see how you get on. Thanks.
