HP 3PAR StoreServ 7400 4-node HP 3PAR Command Line Interface Reference (OS 3.1 - Page 11

1 CLI Command Syntax and Conventions This chapter describes the command syntax for the HP 3PAR OS CLI commands listed in this reference. General control commands that do not follow the syntax rules are also listed as well as glob-style patterns. Syntax and Conventions Most CLI commands use the following syntax. [cmd [subcmd] [options [arg]]... [...] [...] Table 1 (page 11) Lists all syntax elements and provides their meanings: Table 1 CLI Command Syntax Element cmd subcmd options arg spec Meaning Specifies an operation to be executed, such as create, move, or show . Specifies a subcommand. Subcommands specify actions for commands to be executed. Indicates an optional command line element such as histch -rw . Indicates a specific variable of an option or subcommand. The argument is often used to identify a specific node, volume, or disk. Indicates a specifier used with a required command line element such as the command or option. Specifies that only one of the command specifiers or options separated by this character can be specified at a time. Indicates grouped elements. Do not type the braces; type only the information inside the braces. Indicates optional elements. Do not type the brackets; type only the information inside the brackets. Indicates user-supplied input. Indicates that a specifier or an option can be used more than once in a command. Syntax Rules The command syntax in the table above obeys the following rules: • All command line elements are in lowercase letters, except where indicated in this reference. • Subcommands immediately follow the commands they modify. • Options, as indicated in this guide, are indicated by one or more letters, are preceded by a hyphen, and are enclosed in brackets (for example: removealert [-a]). • Options follow subcommands on the command line and precede any specifier. Syntax and Conventions 11