book for system programming confusion - comp.unix.programmer

Message from discussion book for system programming confusion
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From: saurabh <NoEm...@NoDomain.com>
Subject: Re: book for system programming confusion
Date: Sat, 04 Jul 2009 09:48:07 +0500
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On Fri, 03 Jul 2009 22:15:22 +0000, Jens Thoms Toerring wrote:

> saurabh <saur...@saurabh.org> wrote:
>> I am a C programmer with more than 3 years experience on Linux platform.
>> I am looking for a good book that can explain the internals of Unix from
>> a programmer's point of view.
>> I searched and inquired , and finally zeroed on following 2 books 
> 
>> 1.Advanced Programming in the UNIX Environment, Second Edition (Addison-
>> Wesley Professional Computing Series) by Richard Stevens
>> Link:
>> http://www.amazon.com/Programming-Environment-Addison-Wesley-Professional-
>> Computing/dp/0321525949/ref=sr_1_1?ie=UTF8&s=books&qid=1246652000&sr=1-1
> 
>> 2.Advanced Unix Programming
>> Link:
>> http://www.amazon.com/Advanced-Programming-Addison-Wesley-Professional-
>> Computing/dp/0131411543/ref=sr_1_1?ie=UTF8&s=books&qid=1246652342&sr=1-1
> 
>> I am confused , which one should I buy?
> 
> They're both new edition of "classics". I got the first edition
> of APUE and the new one of AUP. Both are good. My personal favo-
> rite is Stevens' book, but then I bought APUE a long time before
> AUP and learned a lot from it. APUE seems to have a slightly hig-
> her information density (which you might consider an advantage or
> disadvantage). The best advice probably is to go (if possible) to
> a bookshop that has both in stock and try to read a bit in them
> and pick the one you enjoy more (or both if you can't come to a
> conclusion and you have the money;-)
> 
>                                Regards, Jens

Thanks Jens,

I will go to a bookstore and read some paragraphs of both of them.
Actually I am more interested in details of POSIX IPC,process management
and synchronization and threads.
I don't want details of file I/O or permission mechanism.
Can you please tell me which of the one covers process management , and
IPC better than the other?

Thanks
Saurabh