$ plackup ./hello-world.psgi HTTP::Server::PSGI: Accepting connections at http://0:5000/ 127.0.0.1 - - [28/Oct/2010 23:51:29] "GET / HTTP/1.1" 200 11 "-" "Moz illa/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.11) Gecko/20101013 Ubun tu/10.04 (lucid) Firefox/3.6.11"