Web Sites Recommended

na_lan_rong_ruo

# This site links to many e-books, online tutorials, guides, materials, references and such on maths, IT and so forth.
  http://www.maththinking.com/boat/
# The operating system resource center. There're many articles on relevant issues.
  http://www.nondot.org/sabre/os/articles/TheBootProcess/
# O'Reilly's CD bookshelf. Books on Java, Perl, TCP/IP, Unix, Linux and so forth.There are many mirrors throughout the Internet. If you're not able to access the sites below, you could try searching "O'Reilly's CD bookshelf" in google.com for other mirrors.
  http://www.hk8.org/old_web/
  or
  http://lab1213.lzu.edu.cn/~yifeng/Orelly/
# The Linux Documentation Project. Documents on Linux, including HOWTOs, guides, FAQs, man pages and so forth. If you'd like to learn a little something about Linux, here is the best place to go.
  http://www.tldp.org/
# Data Structures and Algorithms with Object-Oriented Design Patterns in C++, Java and C#.
  http://www.brpreiss.com/

(This post will be updated often.)