编程LINK－－－－－－－－Network Programming

http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html

http://www.cse.buffalo.edu/~milun/unix.programming.html

http://www.uwo.ca/its/doc/courses/notes/socket/

http://www.ubookcase.com/book/Cisco/TCP.IP.First.Step/

http://www.ubookcase.com/book/Addison.Wesley/Advanced.Programming.in.the.UNIX.Environment/

开发工具：

http://www.ugcs.caltech.edu/manuals/