I love this book. Yes, it's now out of date, but it's a) still funny and b) is a great book for learning to think about the design of systems. The second point

I love this book. Yes, it's now out of date, but it's a) still funny and b) is a great book for learning to think about the design of systems. The second point is sadly neglected. If you read it and your principal reaction is "Unix isn't like that anymore" you've completely missed the point.