The following sections cover all the parts of the Linux Desktop. They are roughly ordered, but are intended to be read piece-wise. Most sections have an accompanying video walk-through, and exercises: you are recommended to do as many (or as few) of these as you need to familiarise yourself with the system.
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You will probably want to skim this before starting and refer back to it at times for more information
Introduction to the desktop
A brief introduction to the basic navigation commands
How to get help, both from the command line and externally
How to access other machines from your desktop
More about the shell
Observing things running
Using and installing additional software
Summary of this module
Quick quiz covering the module content
The following are some snippets of information linked by the notes above, collected here for reference. They are not designed to be read in any order, but should be referred to for more advanced or detailled information as and when required.