Linux Administration and Programming

8 books:
Complete Idiot's Guide to Linux
Linux Complete Command Reference
Linux Programming Unleash
Linux Security
Linux Network Admin Guide
Special Edition Using Linux
Unix Unleashed - System Administrator's Edition
Developing Open Tools

Complete Idiot's Guide to Linux:
http://tinyurl.com/7wqnq/operating_system/complete_idiots_guide_to_linux.pdf
Linux Complete Command Reference:
http://tinyurl.com/7wqnq/operating_system/linux_complete_command_reference.pdf
Linux Programming Unleash:
http://tinyurl.com/7wqnq/operating_system/linux_programming_unleash.pdf
Linux Security:
http://tinyurl.com/7wqnq/operating_system/linux_security.pdf
Linux Network Admin Guide:
http://tinyurl.com/7wqnq/networking/linux_network_admin_guide.pdf
Special Edition Using Linux:
http://tinyurl.com/7wqnq/operating_system/specia_edition_using_linux.pdf
Unix Unleashed - System Administrator's Edition:
http://tinyurl.com/7wqnq/operating_system/unix_unleashed_system_administrators_edition.pdf
Developing Open Tools:
http://tinyurl.com/7wqnq/programming/developing_open_tools.pdf