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An interactive web interface for the webcomic xkcd resembling a Unix terminal. Comics can be browsed and displayed efficiently via the commands "first", "prev", "next", and "last".

Originally created as a joke for April Fools' 2010, the interface is now available at

Use the source, Luke.


  • Jokes are by Randall Munroe, Davean Scies, Chromakode, and various contributors from IRC.

  • Many thanks to Rod McFarland for his original CLI2. The JavaScript CLI implementation in cli.js is a heavily modified version of the CLI2 client-side logic. CLI2 is Copyright © Rod McFarland, 2006, 2007, 2008.

  • The bundled version of YUI Compressor is Copyright © 2007-2009, Yahoo! Inc.


  • The unixkcd code is released under the GNU GPLv2.

  • YUI Compressor is distributed under a BSD license, with Rhino components licensed under MPL.