The TrustedBSD extensions are intended for use with the open source
FreeBSD operating systems, as well as related open and closed source
operating systems such as Mac OS X, NetBSD, OpenBSD, and Linux.
Almost all TrustedBSD code is under a two-clause Berkeley or
substantially similar open source license:
Copyright (c) [year] [name]
All rights reserved.
This software was developed by the TrustedBSD Project.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
This license is intended to encourage commercial, research, and
personal use of this software without limitation, providing that
the copyright notice is observed and documented, and that authors
and contributors are not held liable for any damages that may result
from use of the code. With the exception of a small amount of GPL
code associated with SEBSD, all TrustedBSD
code may be incorporated into close source products without fee.
Please make sure to observe all licenses included with distributed
Organizations and individuals who extend TrustedBSD are encouraged
to contribute bug reports, bug fixes, functional enhancements, and
documentation to the project under similar licenses. While not
obligatory, financial contributions via the FreeBSD Foundation are
most welcome, and support developer travel, test hardware, etc.
The copyright on the BSD Daemon is held by Kirk McKusick; the
copyright for the TrustedBSD Daemon, Trusty, is held by Leigh
Denault. For more information on using the BSD Daemon, see our BSD Daemon Copyright page.