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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. You may obtain a copy of the GNU Free Documentation License from the Free Software Foundation by visiting www.fsf.org or by writing to: Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

This basically means that anyone can copy, share or modify this tutorial in accordance to your whims. Only limitation is that what ever is given should be given under the same license. And you have no right to take credit for my work - this notice should be included with every copy you make.

Original Author...
Binny V A