Typographic Conventions

Throughout the book the authors use conventions to denote certain concepts, information, or actions. The following list gives examples of how these are formatted in the book.

Menu Selections

Firewall > Rules

GUI Item Labels/Names

Destination

Buttons

fa-plus Add

Prompt for input

Proceed?

Input from the user (text)

Rule Description

Input from the user (selection)

WAN

File Names

/boot/loader.conf

Names of commands or programs

gzip

Commands Typed at a shell prompt
# ls -l

Long shell command-line examples may be split using the backslash (\) for shell line continuation.

Command Output
-rw-r--r--  2 root  wheel   887 Apr 12 09:49 .cshrc
Special Notes

Note

Consider this …

Warnings

Warning

Watch out!

Tips

Tip

The best practice is …

References

See also

For more information …

The list above is an example of a “definition list” used to define sets of terms or options and their meanings.