Qsan XCubeSAN XS5224D Hardware Owner's Manual page 18

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by the user or system.
Example: copy <source-file> <target-file>.
Indicates optional values.
Example: [ a | b ] indicates that you can choose a, b, or nothing.
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Example: { a | b } indicates that you must choose either a or b.
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arguments.
Indicates all options or arguments.
Indicates the default value.
Example: [ a | b ]