Getting help in the CLI

The help system commands and the ? key display different types of help in the CLI. The following table describes the different help commands.

Table: Online help commands

Command

Description

help ?

List all commands in the current context.

string ?

List all commands available in the current context that start with string.

command ?

Displays the command’s syntax and associated keywords.

command keyword ?

List the associated arguments for keyword in command.

string<Tab>

Complete a partial command name (auto-completion) or list available commands that match string.

The tree and tree detail system commands are help commands useful when searching for a command in a lower-level context.

Example

The following example shows a partial list of the tree and tree detail command output entered at the config level.

A:ALU-7210>config# tree
configure
+---card
| +---card-type
| +---mda
| | +---access
| | +---mda-type
| | +---network
| | +---shutdown
| +---shutdown
+---cron
| +---action
| | +---expire-time
| | +---lifetime
| | +---max-completed
| | +---results
| | +---script
| | +---shutdown
| +---schedule
| | +---action
| | +---count
| | +---day-of-month
| | +---description
| | +---end-time
| | +---hour
| | +---interval
| | +---minute
| | +---month
| | +---shutdown
| | +---type
| | +---weekday
| +---script
| | +---description
| | +---location
| | +---shutdown
| +---time-range
| | +---absolute
| | +---daily
| | +---description
| | +---weekdays
| | +---weekend
| | +---weekly
| +---tod-suite
| | +---description
| | +---egress
| | | +---filter
| | | +---qos
| | | +---scheduler-policy
| | +---ingress
| | | +---filter
| | | +---qos
| | | +---scheduler-policy
+---dot1ag
| +---domain
| | +---association
|...

*A:ALA-12>config# tree detail
configure
+---card <slot-number>
| no card <slot-number>
| +---card-type <card-type>
| | no card-type
| +---mda <mda-slot>
| | no mda <mda-slot>
| | +---access
| | +---mda-type <mda-type>
| | | no mda-type
| | +---network
| | +---no shutdown
| | | shutdown
| +---no shutdown
| | shutdown
+---cron
| +---action <action-name> [owner <action-owner>]
| | no action <action-name> [owner <action-owner>]
| | +---expire-time {<seconds>|forever}
| | +---lifetime {<seconds>|forever}
| | +---max-completed <unsigned>
| | +---no results
| | | results <file-url>
| | +---no script
| | | script <script-name> [owner <script-owner>]
| | +---no shutdown
| | | shutdown
| +---no schedule <schedule-name> [owner <schedule-owner>]
| | schedule <schedule-name> [owner <schedule-owner>]
| | +---action <action-name> [owner <action-owner>]
| | | no action
| | +---count <number>
| | | no count
| | +---day-of-month {<day-number> [..<day-number>]|all}
| | | no day-of-month
| | +---description <description-string>
| | | no description
| | +---end-time [<date>|<day-name>] <time>
| | | no end-time
| | +---hour {<hour-number> [..<hour-number>]|all}
| | | no hour
| | +---interval <seconds>
| | | no interval
| | +---minute {<minute-number> [..<minute-number>]|all}
| | | no minute
| | +---month {<month-number> [..<month-number>]|<month-name> [..<month-nam>]|all}
| | | no month
| | +---no shutdown
| | | shutdown
| | +---type <schedule-type>
| | +---weekday {<weekday-number> [..<weekday-number>]|<day-name> [..<day-nme>]|all}
|...