CGI, Pearl & Sendmail

Do you allow CGI to run on your servers? Do you have mod_rewrite? Do your servers have cURL enabled? Does your company have any limit about CGI scripts? How can I troubleshoot an issue? How do I set file permissions for CGI to 755? How do I setup Hit Counters, Guestbooks, etc? I keep getting a 500 Internal Server Error. Why? What directory do I upload my CGI scripts to? What is CGI? What is Perl? What is the exact physical path to your root directory on the webserver? What is the path to Perl? What is the path to Sendmail? What version of Perl are you running? Why am I getting a 403 Forbidden Error? Why Does My CGI script give me a Permission Denied Error? Why doesn't my CGI work? Can you help me troubleshoot my script?