AsciiDoc is written in Python so you need a Python interpreter (version 2.4 or later) to execute asciidoc(1). Python is installed by default in most Linux distributions. You can download Python from the official Python website http://www.python.org.
Documentation and installation instructions are on the AsciiDoc website http://asciidoc.org/
Current AsciiDoc version tested on Xubuntu Linux 10.04 with:
Copyright (C) 2002-2011 Stuart Rackham. Free use of this software is granted under the terms of the GNU General Public License version 2 (GPLv2).