Free training in UNIX and Linux

You may use these links to understand Ubuntu/Linux:

http://blog.lxpages.com/2007/07/11/101-ubuntu-tips-tricks-and-tutorials/

http://www.howtoforge.com/wubi_ubuntu_on_windows

http://www.unix-tutorials.com/tutorials.php?os=Ubuntu&page=3

http://ubuntulinuxhowto.blogspot.com/

You may use these links to understand how to install programs in a Linux environment:

http://www.psychocats.net/ubuntu/installingsoftware

http://www.linuxforums.org/forum/linux-tutorials-howtos-reference-material/9358-howto-install-software-readme.html

http://polishlinux.org/first-steps/installing-software/

You may use these links to understand COMMON UNIX/Linuxcommands:

http://snap.nlc.dcccd.edu/learn/idaho/unixindex.html

http://www.he.net/info/unix.tutorial/

http://www.unl.csi.cuny.edu/tutorials/QuickUnixTutorial.html

http://www.mcsr.olemiss.edu/unixhelp/

http://www.he.net/info/unix.tutorial/

http://staff.washington.edu/rells/R110/

http://support.uchicago.edu/docs/misc/unix/app/vi.html

http://www.math.utah.edu/lab/unix/unix-commands.html