Huawei Quidway S3900 Series Operation Manual page 8

II. Command conventions
Convention
Boldface
italic
[ ]
{ x | y | ... }
[ x | y | ... ]
{ x | y | ... } *
[ x | y | ... ] *
#
III. GUI conventions
Convention
Boldface
/
IV. Keyboard operation
Format
<Key>
<Key1+Key2>
<Key1, Key2>
The keywords of a command line are in Boldface.
Command arguments are in italic.
Items (keywords or arguments) in square brackets [ ] are
optional.
Alternative items are grouped in braces and separated by
vertical bars. One is selected.
Optional alternative items are grouped in square brackets
and separated by vertical bars. One or none is selected.
Alternative items are grouped in braces and separated by
vertical bars. A minimum of one or a maximum of all can be
selected.
Optional alternative items are grouped in square brackets
and separated by vertical bars. Many or none can be
selected.
A line starting with the # sign is comments.
Button names and menu items are in Boldface. For
example, click OK.
Multi-level menus are in bold and separated by forward
slashes. For example, select the File/Create/Folder menu.
Press the key with the key name inside angle brackets. For
example, <Enter>, <Tab>, <Backspace>, or <A>.
Press the keys concurrently. For example, <Ctrl+Alt+A>
means the three keys should be pressed concurrently.
Press the keys in turn. For example, <Alt, A> means the
two keys should be pressed in turn.
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