Rough Outline: 

What is Open Source?

Linux

Library-Related Software

Living with Linux

What is Open Source?

"source"; "open"

vs. proprietary

Free Software (“Freeware”)

Free Open Source Software (“FOSS” or “F/OSS”)

aka Free/Libre/Open Source Software (“FLOSS”)

Open Source But Not Free Software (“OSBNFS”)

eg.  Apache Web Server, Firefox Browser, Ubuntu Linux, OpenOffice

Linux

What is Linux?

What is a “distro”?

How Linux is normal

How Linux is cool

Library-Related Software

Integrated Library System, e.g., Koha/OpenBiblio

Content Management System, e.g., Drupal/Omeka

Living with Linux

URLs for selected open source software (doc file)

Google Presentation on CMSs