Ubuntu: Problem in creating all default directories while adding a new user account in Ubuntu 12.04?

Question: I am facing a bizarre problem recently in Ubuntu 12.04 while adding a new user. User adding command such as useradd -d /hom...

Ubuntu: Where do I find absolute beginner's help on how to use Ubuntu preinstalled on my notebook? [duplicate]

Question: This question already has an answer here: What is the best place for learning how to use Ubuntu?...