| Boldface |   | Words defined for the first time appear in boldface.  | 
| Computer |   | Computer font indicates system commands, file names, and literal
items — which may be displayed by the computer. For example:    file not found  | 
| User input |   | Bold, computer text indicates literal items that
you type. For example, to change to your HP-UX account’s home
directory, enter:    cd  | 
| Italics |   | Manual titles, variable in commands and emphasized words
appear in italics. For example, you would substitute
an actual directory name for directory_name in this command:   cd directory_name  | 
| [ ]and | |   | Brackets [] enclose optional items in command syntax. The vertical
bar | separates syntax items in a list of choices. For example,
you can enter any of these three items in this syntax: ls [-a | -i | -x]  | 
| Enter |   | Text in this bold, sans-serif font denotes keyboard keys and on-screen menu items. A notation
like Ctrl-Q indicates that you should hold the Ctrl key down and press Q.  |