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xviii Preface
Preface
Notational conventions
NOTE A note highlights important supplemental information.
CAUTION A caution highlights procedures or information necessary to avoid
damage to equipment, damage to software, loss of data, or invalid test
results.
Brackets ( [ ] ) In command examples, square brackets
designate optional entries.
Curly brackets ({}),
Pipe (|)
In command syntax diagrams, text
surrounded by curly brackets indicates a
choice. The choices available are shown inside
the curly brackets and separated by the pipe
sign (|).
The following command example indicates
that you can enter either a or b:
command {a | b}
Keycap Keycap indicates the keyboard keys you must
press to execute the command example.