Command introduced before Junos OS Release 7.4.
apropos option added in Junos OS Release 8.0.
Display help about available operational commands, configuration statements, or general information about getting help. Entering the help command without an option provides introductory information about how to use the help and ? commands.
apropos string—(Optional) Display command names and help text that matches the string specified. If the string contains spaces, enclose it in quotation marks (" " ). You can also specify a regular expression for the string, using standard UNIX-style regular expression syntax.
reference <statement-name>—(Optional) Display summary information for a configuration statement. This information is based on summary descriptions that appear in the Junos configuration guides.
syslog <syslog-tag>—(Optional) Display information about system log messages.
tip cli number—(Optional) Display a tip about using the CLI. Specify the number of the tip you want to view.
topic <word>—(Optional) Display usage guidelines for a topic or configuration statement. This information is based on subjects that appear in the Junos configuration guides.
Required Privilege Level