I already mentioned the documentation files, installed typically under the directory
/usr/src/linux/Documentation.
They are a real gold mine of useful informations.
The following FAQ (Frequently Asked Questions) are periodically posted in the group
news:news.answers and archived on FTP servers like ftp://rtfm.mit.edu :
A lot of other Linux HOWTO contain informations useful in link with our subject :
The following Usenet groups cover subjects linked to HP :
You may also consult the groups mentioned in
Section 2.2.2.5.
On Internet, you may consult with a great benefit the following sites :
Table 6-1. Web sites of HP
Table 6-2. Other fundamental sites on Linux and Open Source Software