[Discover] http://opengroup.org/onlinepubs/007908799/xsh/pthread.h.html http://opengroup.org/onlinepubs/007908799/xsh/pthread.h.html
(posix thread rtai softwaredev) 
[Discover] POSIX Threads Programming https://computing.llnl.gov/tutorials/pthreads/ (programming unix tutorial threads)
[Discover] POSIX threads explained, part 1 — Gentoo Linux Documentation http://www.gentoo.org/doc/en/articles/l-posix1.xml (threads posix)
[Discover] http://www.opengroup.org/onlinepubs/007908799/xns/syssocket.h.html http://www.opengroup.org/onlinepubs/007908799/xns/syssocket.h.html (softwaredev posix)
[Discover] http://www.opengroup.org/austin/papers/posix-paper1.txt http://www.opengroup.org/austin/papers/posix-paper1.txt (posix)
[Discover] Sockets Tutorial Material http://www.cs.binghamton.edu/~nael/classes/cs528/tutorial/ (softwaredev posix)
[Discover] Programming POSIX Threads http://www.humanfactor.com/pthreads/ (programming thread software posix)
[Discover] The LinuxThreads library http://pauillac.inria.fr/~xleroy/linuxthreads/ (linux thread posix)
[Discover] POSIX Threads Programming https://computing.llnl.gov/tutorials/pthreads/ (programming unix tutorial threads)
[Discover] POSIX threads explained, part 1 — Gentoo Linux Documentation http://www.gentoo.org/doc/en/articles/l-posix1.xml (threads posix)
[Discover] http://www.opengroup.org/onlinepubs/007908799/xns/syssocket.h.html http://www.opengroup.org/onlinepubs/007908799/xns/syssocket.h.html (softwaredev posix)
[Discover] http://www.opengroup.org/austin/papers/posix-paper1.txt http://www.opengroup.org/austin/papers/posix-paper1.txt (posix)
[Discover] Sockets Tutorial Material http://www.cs.binghamton.edu/~nael/classes/cs528/tutorial/ (softwaredev posix)
[Discover] Programming POSIX Threads http://www.humanfactor.com/pthreads/ (programming thread software posix)
[Discover] The LinuxThreads library http://pauillac.inria.fr/~xleroy/linuxthreads/ (linux thread posix)