This section describes the following conventions used in Web Server documentation:
The following table describes the typographic changes that are used in this book.
Table P–2 Typographic Conventions| Typeface | Meaning | Example | 
|---|---|---|
| AaBbCc123 | The names of commands, files, and directories, and onscreen computer output | Edit your .login file. Use ls -a to list all files. machine_name% you have mail. | 
| AaBbCc123 | What you type, contrasted with onscreen computer output | machine_name% su Password: | 
| AaBbCc123 | A placeholder to be replaced with a real name or value | The command to remove a file is rm filename. | 
| AaBbCc123 | Book titles, new terms, and terms to be emphasized (note that some emphasized items appear bold online) | Read Chapter 6 in the User's Guide. A cache is a copy that is stored locally. Do not save the file. | 
The following table explains symbols that might be used in this book.
Table P–3 Symbol Conventions| Symbol | Description | Example | Meaning | 
|---|---|---|---|
| [ ] | Contains optional arguments and command options. | ls [-l] | The -l option is not required. | 
| { | } | Contains a set of choices for a required command option. | -d {y|n} | The -d option requires that you use either the y argument or the n argument. | 
| ${ } | Indicates a variable reference. | ${com.sun.javaRoot} | References the value of the com.sun.javaRoot variable. | 
| - | Joins simultaneous multiple keystrokes. | Control-A | Press the Control key while you press the A key. | 
| + | Joins consecutive multiple keystrokes. | Ctrl+A+N | Press the Control key, release it, and then press the subsequent keys. | 
| -> | Indicates menu item selection in a graphical user interface. | File -> New -> Templates | From the File menu, choose New. From the New submenu, choose Templates. | 
The following table shows default system prompts and superuser prompts.
Table P–4 Shell Prompts| Shell | Prompt | 
|---|---|
| C shell on UNIX and Linux systems | machine_name% | 
| C shell superuser on UNIX and Linux systems | machine_name# | 
| Bourne shell and Korn shell on UNIX and Linux systems | $ | 
| Bourne shell and Korn shell superuser on UNIX and Linux systems | # |