Reg.Books on unix internals

["Narasimhamoorthy Sathish" <satishnmoorthy@xxxxxxxxxxx>]

Hi,

I am sathish. I need ur help. Is there any good books available in the 
market for unix internals. I need some books which would cover the following 
topics in depth

a) Socket Programming
b) Threads Programming
c) InterProcess communication
d) Networking concepts
e) Signals

Expecting ur reply at ur earliest conveneience.

Thanx with warm regards
Sathish
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