An Awk Primer/Licensing
The original version of this book was written by Greg Goebel, and is available at http://www.vectorsite.net/tsawk.html. This original version has been released by its author into the public domain.
Newer revisions here on Wikibooks have been licensed under the following license:
| Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License."
GFDL GNU Free Documentation License