This is the Debian Linux prepackaged version of the Z Shell (zsh), a shell
with lots of features.

This package was put together by Robert Leslie <rob@mars.org> with sources
obtained from:
  ftp://ftp.math.gatech.edu/pub/zsh/

The following copyright applies to this software:

  Copyright (c) 1995 Richard Coleman
  All rights reserved.

  Permission is hereby granted, without written agreement and without
  license or royalty fees, to use, copy, modify, and distribute this
  software and its documentation for any purpose, provided that the
  above copyright notice and the following two paragraphs appear in
  all copies of this software.

  In no event shall Richard Coleman or the Zsh Development Group be liable
  to any party for direct, indirect, special, incidental, or consequential
  damages arising out of the use of this software and its documentation,
  even if Richard Coleman and the Zsh Development Group have been advised of
  the possibility of such damage.

  Richard Coleman and the Zsh Development Group specifically disclaim any
  warranties, including, but not limited to, the implied warranties of
  merchantability and fitness for a particular purpose.  The software
  provided hereunder is on an "as is" basis, and Richard Coleman and the
  Zsh Development Group have no obligation to provide maintenance,
  support, updates, enhancements, or modifications.