http://askubuntu.com/questions/179681/how-do-i-use-the-cd-commandhttp://stackoverflow.com/questions/12298368/how-to-extract-tar-xz-files-in-linuxhttp://askubuntu.com/questions/92328/how-do-i-uncompress-a-tarball-that-uses-xzhttp://askubuntu.com/questions/384846/how-do-you-install-a-file-in-a-tar-archivehttp://www.binarytides.com/linux-tar-command/http://linuxzone.es/metodos-de-compresion-y-descompresion-en-linux/ mmmmmmhttp://linuxcommand.org/man_pages/tar1.html siiiiiihttp://www.cyberciti.biz/faq/tar-extract-linux/ mmmhttp://reyanime.com/fate-stay-night-2014-18/ fhttp://linuxcommand.org/http://www.tldp.org/LDP/Linux-Filesystem-Hierarchy/html/usr.htmlhttps://wiki.archlinux.org/index.php/Arch_filesystem_hierarchyhttp://ubuntuforums.org/showthread.php?t=781352http://manpages.ubuntu.com/manpages/lucid/es/man1/ln.1.htmlhttp://www.dragonjar.org/rompiendo-redes-inalambricas-wpa-y-wpa2-con-wps-en-segundos.xhtmlhttps://simplyubuntu.wordpress.com/2006/06/27/a-beginners-guide-to-installing-programs-in-ubuntu/https://help.ubuntu.com/community/InstallingSoftwarehttp://askubuntu.com/questions/307280/how-do-i-install-applications-in-ubuntuhttp://ss64.com/bash/http://lifehacker.com/how-can-i-quickly-learn-terminal-commands-1494082178http://spotidoc.com/doc/126228/ubuntu-practice-and-configurationhttp://manpages.ubuntu.com/manpages/lucid/es/man1/ buneohttp://stackoverflow.com/questions/388242/the-definitive-c-book-guide-and-listhttp://stackoverflow.com/questions/194812/list-of-freely-available-programming-bookshttps://launchpad.net/ubuntu/precise/+source/rtaihttp://blog.gmane.org/gmane.linux.real-time.rtai/page=12http://ubuntuforums.org/showthread.php?t=2207509http://www.ubuntuleon.com/2014/01/como-hago-yo-para-actualizar-el-kernel.htmlhttps://books.google.com.pe/books?id=XLe-kja-kjMC&pg=PA46&lpg=PA46&dq=usr+src+linux+The+%27linux%27+sub-directory+holds+the+Linux+kernel+sources,+header-files+and+documentation.&source=bl&ots=TvPRhs2qVy&sig=yKtoW0iZoHjo6igJ0vOV0kSuWnI&hl=es-419&sa=X&ei=T6BPVcXvMcKNNvmxgIgF&ved=0CEIQ6AEwBQ#v=onepage&q=usr%20src%20linux%20The%20%27linux%27%20sub-directory%20holds%20the%20Linux%20kernel%20sources%2C%20header-files%20and%20documentation.&f=false