the main hardware components of a computer system
the purpose of an operating system
the meaning of the terms program, process, and file
the layout of a hierarchical directory structure
that Linux shares CPUs, memory, and disk space among competing processes
that Linux supports communication between processes and peripherals
that Linux comes complete with a multitude of standard utilities
that most major software packages are available on Linux systems
that Linux is an "open" system as well as an open source system
the Free Software Foundation
the history of Linux and UNIX
that Linux has a rosy future