I must admit I have a soft spot in my heart for this book.
Hunt illustrates each topic thoroughly and precisely.
This is a necessary resource for any and every system administrator. It continues to be among the best books I have encountered. Unlike many books, the revised 2nd edition contains so many changes and so much new matter, that it's really a new book. If you're trying to work from the 1st edition, upgrading to the 2nd would be advisable. Every single book that you publish is of exceptional quality.