Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
(except for the contents of the directory `doc/usenix').

This software was derived from Elk 1.2, which was Copyright 1987, 1988,
1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
by Oliver Laumann (me) for TELES Telematic Services, Berlin, in a joint
project between TELES and Nixdorf Microprocessor Engineering, Berlin).

Oliver Laumann, TELES GmbH, and Nixdorf Computer AG, as co-owners or
individual owners of copyright in this software, grant to any person or
company a worldwide, royalty free, license to

   i) copy this software,
  ii) prepare derivative works based on this software,
 iii) distribute copies of this software or derivative works,
  iv) perform this software, or
   v) display this software,

provided that this notice is not removed and that neither Oliver Laumann
nor Teles nor Nixdorf are deemed to have made any representations as to
the suitability of this software for any purpose nor are held responsible
for any defects of this software.

THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.

Berlin, June 20, 1995

Oliver Laumann  <net@informatik.uni-bremen.de>

================================================================================

The changes to port scx from the original Elk files to scsh are
subject to the following copyright notice:

Copyright (c) 2002-2003 David Frese
Copyright (c) 2002 Norbert Freudemann
Copyright (c) 2003 Martin Gasbichler
Copyright (c) 2003 Eric Knauel

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
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.
3. The name of the authors may not be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.