Get Help Based on a String in a Statement Name

In configuration mode, you can use the help command to display help based on a text string contained in a statement name. This command displays help for statements at the current hierarchy level and below.

help apropos string 

string is a text string about which you want to get help. This string is used to match statement names as well as the help strings that are displayed for the statements. If the string contains spaces, enclose it in quotation marks (" "). You also can specify a regular expression for the string, using standard UNIX-style regular expression syntax.

You can also display help based on a text string contained in a statement name using the help topic and help reference commands.

help topic string

help reference string

The help topic command displays usage guidelines for the statement, while the help reference command displays summary information about the statement.

Example: Get Help Based on a String Contained in a
Statement Name

Get help about statements that contain the string "traps":

[edit]

user@host# help apropos traps 

set interfaces 

    Enable SNMP notifications on state changes

set interfaces  unit 

    Enable SNMP notifications on state changes

set snmp trap-group

    Configure traps and notifications

set snmp trap-group  version  all

    Send SNMPv1 and SNMPv2 traps

set snmp trap-group  version  v1

    Send SNMPv1 traps

set snmp trap-group  version  v2

    Send SNMPv2 traps

set protocols mpls log-updown

    Send SNMP traps

set firewall filter  term  from source-port snmptrap

    SNMP traps

set firewall filter  term  from source-port-except snmptrap

    SNMP traps

set firewall filter  term  from destination-port snmptrap

    SNMP traps

set firewall filter  term  from destination-port-except snmptrap

    SNMP traps

set firewall filter  term  from port snmptrap

    SNMP traps

set firewall filter  term  from port-except snmptrap

    SNMP traps

[edit]

user@host# edit interfaces at-5/3/0

[edit interfaces at-5/3/0]

user@host# help apropos traps

set 

    Enable SNMP notifications on state changes

set  unit 

    Enable SNMP notifications on state changes