Book of Linux Operating System

1.Linux Shell Scripting Tutorial A Beginner's handbook

 URL:http://www.freeos.com/guides/lsst/

2.Operating Systems Web Site

URL:http://www.comptechdoc.org/os/

3.鳥哥的 Linux 私房菜

URL:http://linux.vbird.org/
         http://linux-vbird.3322.org/