Command-line examples that you are meant to type into a terminal window, and the results of those examples, will be shown in a grey code block, e.g.
You can also send code directly to the terminal. These code snippets or code blocks will be formatted as follow:
Allow a code block to be executed
Allow a code block to be copied
Sometimes the accompanying text will include a reference to a Unix command. Any such text will also be in a constant-width, boxed font. E.g.
From time to time this documentation will contain web links to pages that will help you find out more about certain Unix commands. Usually, the first mention of a command or function will be a hyperlink to Wikipedia. Important or critical points will be styled like so:
This is an important point!