Apple Xsan 1.1 - Manual (Page 12)

12 Preface About This Guide
Notation Conventions
The following conventions are used in this book wherever shell commands or other
command-line items are described.
Notation Indicates
monospaced font A command or other terminal text
$ A shell prompt
[text_in_brackets] An optional parameter
(one|other) Alternative parameters (type one or the other)
underlined A parameter you must replace with a value
[...] A parameter that may be repeated
A displayed value that depends on your SAN configuration