"httpd." YourDictionary, n.d. Web. 18 September 2018. <http://www.yourdictionary.com/httpd>.
httpd. (n.d.). Retrieved September 18th, 2018, from http://www.yourdictionary.com/httpd
httpd - Computer Definition
(HTTP Daemon) A Web server (HTTP server) available from the NCSA for various versions of Unix. Developed at CERN, httpd was the first Web server. Along with the Mosaic browser, httpd and Mosaic provided the first graphical client/server interaction on the Web. See NCSA and Apache.