FreeBSD Documentation Project Primer for New Contributors
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# Typographic Conventions

The following table describes the typographic conventions used in this book.

Meaning | Examples
--- | ---
The names of commands. | Use `ls -l` to list all files.
The names of files. | Edit your `.login` file.

On screen computer output.

    You have mail.

What you type, when contrasted with on-screen computer output.

    % su
    Password:

Manual page references. | Use su(1) to change user names.
User and group names | Only `root` can do this.
Emphasis | You must do this.
Command line variables; replace with the real name or variable. | To delete a file, type `rm ``filename```
Environment variables | `$HOME` is your home directory.

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