These are the Unix books that will always have a place on our bookshelf. Reading any one of these undisputed classics will make you a better Unix programmer or administrator, and may even change your life.
If you click on one of the covers below, you will be directed to the book's entry at Amazon. If you purchase the book through the link, UnixPorting will receive a small referral fee and you will be supporting the free information we provide on this site!
Unix Programming
Unix Theory and Implementation