Linux user guide
 

can you introduce me where to download e-books about how to use the built-in application of Linux?

I try to transfer from Windows to Linux (dual boot),
almost don't know anything about linux,
I hope you can help me to get familiar with linux environment.

www.linuxdoc.org or try a search on www.google.com for linux.

also there is www.linux.com , www.linux.org and many others.

the internet is big.. try searching for linux.

-trickykid

You should also look at the link in acid_kewpie's sig. Some good books there, and most in html (a couple in pdf).