Typographic symbol | Meaning |
---|---|
[ ] | Square brackets. Delimits an optional command parameter or a set of optional command parameters. |
{ } | Braces. Delimits a set of command parameters, one of which must be selected. |
| | Vertical bar. Separates mutually exclusive parameters. |
... | Ellipsis. Indicates that the immediately preceding parameter or group of parameters can be repeated. |
monospace | Indicates the name of a command or the name of a command option (sometimes called a flag or switch). |
italic | Indicates a variable for which you need to supply a value. |
Command parameters that are not enclosed within square brackets ( [ ] ) are required.