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+/*
+    ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,
+              2011,2012,2013,2014 Giovanni Di Sirio.
+
+    This file is part of ChibiOS 
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @mainpage Introdution
+ * @author Giovanni Di Sirio (gdisirio@users.sourceforge.net).
+ *
+ * <h2>Why Nil?</h2>
+ * I wrote Nil because I wanted to experiment with an idea I had
+ * regarding a minimal RTOS. Basically I wanted to verify how small
+ * could be an RTOS while retaining useful features.
+ *
+ * <h2>Features</h2>
+ * - Free software, GPL3 licensed. Stable releases include a exception clause
+ *   to the GPL.
+ * - Designed for realtime applications.
+ * - Easily portable.
+ * - Preemptive scheduling.
+ * - Each thread has its own priority level.
+ * - Offers tasks, task queues, semaphores, event flags, timeouts.
+ * - Fully static.
+ * - Minimal system requirements: about 700 bytes ROM with all options enabled.
+ * - Almost totally written in C with little ASM code required for ports.
+ * - Compatible with ChibiOS/HAL.
+ * .
+ */