Ubuntu 14.04.01  Desktop Guide

Download:
Link: - https://wiki.ubuntu.com/DocumentationTeam/SystemDocumentation/UbuntuDesktopGuide

Ubuntu 14.04.01

Download:
Link:-
http://releases.ubuntu.com/14.04.1/ubuntu-14.04.1-desktop-i386.iso

FreeBSD Handbook

Download:
Link: - http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/install.html
Link: - http://www.freebsd.org/publish.html#books
Link: - http://eduunix.ccut.edu.cn/index2/chm/unixchm/Sams.FreeBSD.6.Unleashed.Jun.2006.chm

Free BSD 9.0 Release

Download:
Link: -ftp://ftp.freebsd.org/pub/FreeBSD/releases/i386/i386/ISO-IMAGES/9.0/FreeBSD-9.0-RELEASE-i386-dvd1.iso

Free BSD 8.3

Download:
Link: -http://ftp.nluug.nl/FreeBSD/ISO-IMAGES-i386/8.3/FreeBSD-8.3-BETA1-i386-disc1.iso

KNOPPIX 6.7.1

Download:
Link:- http://ftp.nluug.nl/knoppix/DVD/KNOPPIX_V6.7.1DVD-2011-09-14-EN.iso

Ubuntu Video Tutorial 

Download:
Link: http://videos1.showmedo.com/ShowMeDos/10710000.flv