Typographic Conventions

AaBbCc123

The names of commands, files, and directories or on-screen computer output 

Edit your .login file.

Use ls -a to list all files.

% You have mail.

AaBbCc123

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

% su

Password:

AaBbCc123

Book titles, new words or new terms, words to be emphasized 

Read Chapter 6 in the User's Guide.

Properties are called class options.

You must be superuser to remove a node.

Command-line variable that are to be replaced with an actual value 

To delete a file, type rm filename.