This document discusses open source software and Linux operating systems. It defines open source and lists some examples of popular open source programs like Linux, GNU, MySQL, Apache, Firefox and OpenOffice. It then provides tips for migrating to open source, including using bootable CDs/DVDs/USBs or dual booting. Virtualization is presented as another option. The benefits of open source for business are mentioned. Contact information and links are provided to learn more about open source and technology laboratories.