True, but the Unix world has changed quite a bit since then...there was this thing called "Linux", maybe you've heard of it? 1st ed. APUE won't cover e.g. epol

True, but the Unix world has changed quite a bit since then...there was this thing called "Linux", maybe you've heard of it? 1st ed. APUE won't cover e.g. epoll/kqueue at all. Get the 2nd. Fantastic book, though.