In a Nutshell (o'Reilly) Ser.: UNIX by Arnold Robbins (2005, Paperback)
As an open operating system, Unix can be improved on by anyone and everyone: individuals, companies, universities, and more. As a result, the very nature of Unix has been altered over the years by num...
Pros: every UNIX command explained -- and a lot more
Cons: highly snooze-worthy, and useless to UNIX or Linux newbies