From the original Amiga UNIX 2.1 manual. Some things it mentions may not be in this release.
Also by this name: copyright(5), Character sets, environment, package files
NAME
copyright - copyright information file
DESCRIPTION
copyright is an ASCII file used to provide a copyright notice for a package. The text may be in any format. The full file contents (including comment lines) is displayed on the terminal at the time of package installation.