Learning UNIX internals

[Jon Drews]

Hi:

  I was thinking of getting one of these two books. I want to learn
more about how UNIX and in particular, FreeBSD work. Has anyone read
either of these books?

UNIX Internals: The New Frontiers
by Uresh Vahalia

http://www.amazon.com/exec/obidos/tg/detail/-/0131019082/ref=pd_bxgy_img_2/104-6904022-3119131?v=glance&s=books&n=3863

Design of the UNIX Operating System (Prentice Hall Software Series)
by Maurice J. Bach
http://www.amazon.com/gp/product/customer-reviews/0132017997/ref=cm_cr_dp_2_1/104-6904022-3119131?%5Fencoding=UTF8&customer-reviews.sort%5Fby=-SubmissionDate&n=3863
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Kind regards,
Jonathan