http://gnosis.cx/publish/programming/
http://slav0nic.org.ua/static/books/C_Cpp/
http://www.nightmare.com/medusa/async_sockets.html
http://www.csl.mtu.edu/cs4411/www/NOTES/process/fork/create.html
http://web.archive.org/web/*/http://www.erlenstar.demon.co.uk/unix/
http://web.archive.org/web/*/kipper.york.ac.uk/~vic/sock-faq/