User`s guide

DES-3226S Layer 2 Switch CLI Reference
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Figure 2-4. Using the Up Arrow to Re-enter a Command
In the above example, the command config account was entered without the
required parameter <username>, the CLI returned the Next possible
completions: <username> prompt. The up arrow cursor control key was
pressed to re-enter the previous command (config account) at the command
prompt. Now the appropriate User name can be entered and the config
account command re-executed.
All commands in the CLI function in this way. In addition, the syntax of the
help prompts are the same as presented in this manual − angle brackets < >
indicate a numerical value or character string, braces { } indicate optional
parameters or a choice of parameters, and brackets [ ] indicate required
parameters.
If a command is entered that is unrecognized by the CLI, the top-level
commands will be displayed under the Available commands: prompt.