Iowa::LinkedList is copyrighted free software by Kirk Haines . You can redistribute it and/or modify it under either the terms of the GPL version 2 (see the file GPL), or the conditions below: 1. You may make and give away verbatim copies of the source form of the software without restriction, provided that you duplicate all of the original copyright notices and associated disclaimers. 2. You may modify your copy of the software in any way, provided that you do at least ONE of the following: a) place your modifications in the Public Domain or otherwise make them Freely Available, such as by posting said modifications to Usenet or an equivalent medium, or by allowing the author to include your modifications in the software. b) use the modified software only within your corporation or organization. c) give non-standard binaries non-standard names, with instructions on where to get the original software distribution. d) make other distribution arrangements with the author. 3. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.