CGI Enviroment Variable Listing

SERVER_SOFTWARE - what server software and other software is running on this machine
GATEWAY_INTERFACE - what level of cgi is supported
DOCUMENT_ROOT - what the servers root directory is
REMOTE_ADDR - surfers IP
SERVER_PROTOCOL - what version of HTTP does this server support?
REQUEST_METHOD - was it GET or PUT?
REMOTE_HOST - surfers IP
QUERY_STRING - anything after the ? on the URL
HTTP_USER_AGENT - browser type and other info
PATH - the servers path info
TZ - what time zone the server is in
HTTP_CONNECTION
HTTP_ACCEPT
REMOTE_PORT
HTTP_ACCEPT_LANGUAGE
SCRIPT_NAME - server path name to script (not html) that ran
SCRIPT_FILENAME - full path to script (not html) that ran
SERVER_NAME
REQUEST_URI - this is the document you requested
HTTP_ACCEPT_CHARSET
SERVER_PORT
HTTP_HOST
SERVER_ADMIN