I agree. I don't mind tongue-in-cheek rudeness or expletives in how-tos in documentions, but this thing just struck me as unpleasant and hostile. I'm not sure t

I agree. I don't mind tongue-in-cheek rudeness or expletives in how-tos in documentions, but this thing just struck me as unpleasant and hostile. I'm not sure the format is well suited to the goal, either, and some of the didactic methods seem bizarre. I'm sure better tutorials have been available for years. E.g. http://linuxcommand.org/learning_the_shell.php http://linuxcommand.org/learning_the_shell.php