UNIX Programmer's Supplementary Documents
(PSD)


4.4 Berkeley Software Distribution


June, 1993

Computer Systems Research Group
Computer Science Division
Department of Electrical Engineering and Computer Science
University of California
Berkeley, California 94720

Copyright 1979, 1980, 1983, 1986, 1993 The Regents of the University of California. All rights reserved.

Other than the specific documents listed below as copyrighted by AT&T, redistribution and use of this manual in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1) Redistributions of this manual must retain the copyright notices on this page, this list of conditions and the following disclaimer. 2) Software or documentation that incorporates part of this manual must reproduce the copyright notices on this page, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3) All advertising materials mentioning features or use of this software must display the following acknowledgement: ``This product includes software developed by the University of California, Berkeley and its contributors.'' 4) Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 SUCH DAMAGE.

Documents PSD:1, 2, 3, 4, 6, 11, 15, 16, and 17 are copyright 1979, AT&T Bell Laboratories, Incorporated. Document PSD:8 is a modification of an earlier document that is copyrighted 1979 by AT&T Bell Laboratories, Incorporated. Holders of xUNIXTM/32V, System III, or System V software licenses are permitted to copy these documents, or any portion of them, as necessary for licensed use of the software, provided this copyright notice and statement of permission are included.

Document PSD:10 is part of the user contributed software and is copyright 1992 by the Free Software Foundation, Inc. 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.

Document PSD:13 is part of the user contributed software and is copyright 1983 by Walter F. Tichy. Permission to copy the RCS documentation or any portion thereof as necessary for licensed use of the software is granted to licensees of this software, provided this copyright notice is included.

The views and conclusions contained in this manual are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of the Regents of the University of California.