* PTL Resources: http://www.posttenebraslab.ch/wiki/groupes_d_interets/linux?&#ressources
* Interactive map of the linux kernel http://www.makelinux.net/kernel_map/
* Videos. An interesting Youtube Channel covering LPIC 101: ** https://www.youtube.com/playlist?feature=edit_ok&list=PLel9ZP-JUNjj3Td3dk3ZQS5zhZp1LquDL
* fichiers pdf :