httpd

ruby -run -e httpd -- [OPTION] DocumentRoot

--bind-address=ADDR         address to bind
--port=NUM                  listening port number
--max-clients=MAX           max number of simultaneous clients
--temp-dir=DIR              temporary directory
--do-not-reverse-lookup     disable reverse lookup
--request-timeout=SECOND    request timeout in seconds
--http-version=VERSION      HTTP version
-v                          verbose