Linux Shadow Password HOWTO: Copyright Message. 10. Copyright Message.The Linux Shadow Password HOWTO is Copyright (c) 1996 Michael H. Jackson.Permission is granted to make and distribute verbatim copies of this document provided the copyright notice and this permission notice are preserved on all copies.Permission is granted to copy and distribute modified versions of this document under the conditions for verbatim copies above, provided a notice clearly stating that the document is a modified version is also included in the modified document.Permission is granted to copy and distribute translations of this document into another language, under the conditions specified above for modified versions.Permission is granted to convert this document into another media under the conditions specified above for modified versions provided the requirement to acknowledge the source document is fulfilled by inclusion of an obvious reference to the source document in the new media. Where there is any doubt as to what defines 'obvious' the copyright owner reserves the right to decide.