This book was originally compiled by Mendel Cooper, his last version can be found on The Linux Documentation Project: http://tldp.org/LDP/abs/html/index.html
In the revision from March, 10th 2014, Mendel Cooper has dedicated it to the Public Domain
This work in source format is a program (software) which when run produces the book in a variety of human-readable formats. While the text of the license from unlicense.org only refers to software, the intention is that not only the code but also the entirety of the book's text in all the output formats is dedicated to public domain.
Some of the example scripts from contributors to the book have retained copyright, respect their corresponding licenses.
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a compiled binary, for any purpose, commercial or non-commercial, and by any means.
In jurisdictions that recognize copyright laws, the author or authors of this software dedicate any and all copyright interest in the software to the public domain. We make this dedication for the benefit of the public at large and to the detriment of our heirs and successors. We intend this dedication to be an overt act of relinquishment in perpetuity of all present and future rights to this software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
For more information, please refer to http://unlicense.org/
Revision 11 (12 Aug 2019) Revised by: pmarinov
Revision 10 10 Mar 2014 Revised by: mc
Revision 6.6 27 Nov 2012 Revised by: mc
Revision 6.5 05 Apr 2012 Revised by: mc
'mc' is Mendel Cooper
See AUTHORS in the source folder
(This is a variant of the standard LDP disclaimer.)
No liability for the contents of this document can be accepted. Use the concepts, examples and information at your own risk. There may be errors, omissions, and inaccuracies that could cause you to lose data, harm your system, or induce involuntary electrocution, so proceed with appropriate caution. The author takes no responsibility for any damages, incidental or otherwise.
As it happens, it is highly unlikely that either you or your system will suffer ill effects, aside from uncontrollable hiccups. In fact, the raison d'etre of this book is to enable its readers to analyze shell scripts and determine whether they have unanticipated consequences.
This list of clarifications by Mendel Cooper is in the original book.
The Advanced Bash Scripting Guide is herewith granted to the PUBLIC DOMAIN. This has the following implications and consequences.
A. All previous releases of the Advanced Bash Scripting Guide are as well granted to the Public Domain.
A1. All printed editions, whether authorized by the author or not, are as well granted to the Public Domain. This legally overrides any stated intention or wishes of the publishers. Any statement of copyright is void and invalid. THERE ARE NO EXCEPTIONS TO THIS.
A2. Any release of the Advanced Bash Scripting Guide, whether in electronic or print form is granted to the Public Domain by the express directive of the author and previous copyright holder, Mendel Cooper. No other person(s) or entities have ever held a valid copyright.
B. As a Public Domain document, unlimited copying and distribution rights are granted. There can be NO restrictions. If anyone has published or will in the future publish an original or modified version of this document, then only additional original material may be copyrighted. The core work will remain in the Public Domain.