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Comment by petee | Hacker News Reader

And Peter Hansteen's PF tutorial is top notch too:

https://home.nuug.no/~peter/pf/en/

he also has a book that I've heard is great, but don't own (yet)

Thanks for mentioning it. If this is it, it's in O'Reilly's Safari catalog (I've no association, just a Safari account):

    The Book of PF, 3rd Edition
    By: Peter N.M. Hansteen
    Publisher: No Starch Press
    Pub. Date: October 8, 2014
    Print ISBN-13: 978-1-59327-589-1
    Pages in Print Edition: 248

http://my.safaribooksonline.com/book/operating-systems-and-s...

The book is amazing, and mostly a reprint of the site.

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