CLI Operational Mode ! 637
Appendix A: Command-Line Interface Overview
Listing Top-Level Operational Mode CLI Commands
To list all available commands at the top level of the CLI operational mode, use the 
following command (see Table 133): 
user@host> ?
Possible completions:
clear                Clear information in the system
  configure    Manipulate software configuration information
  file         Perform file operations
  help         Provide help information
  monitor      Show real-time debugging information
  mtrace       Trace multicast path from source to receiver
  ping         Ping remote target
  quit         Exit the management session
  request      Make system-level requests
  restart      Restart software process
  set          Set CLI properties, date/time, craft interface message
  show         Show system information
  ssh          Start secure shell on another host
  start        Start shell
  telnet       Telnet to another host
  test         Perform diagnostic debugging
  traceroute   Trace route to remote host
Listing CLI Commands That Start with a Particular Letter
To list all commands that start with the letter 
c, use the following CLI command:
user@host> c?
Possible completions:
  clear Clear information in the system
  configure Manipulate software configuration information
user@host> c
Listing All Available Commands of a Particular Type
To list all available 
clear commands, use the following CLI command:
user@host> clear ? 
Possible completions:
arp          Clear address resolution information
  bfd          Clear Bidirectional Forwarding Detection information
  bgp          Clear Border Gateway Protocol information
  cli          Clear command-line interface settings
  esis         Clear end system-to-intermediate system information
  firewall     Clear firewall counters
  helper       Clear port-forwarding helper information
  igmp         Clear Internet Group Management Protocol information
  ike          Clear IKE information
  ilmi         Clear interim local management interface statistics
  interfaces   Clear interface information
  ipsec        Clear IP Security information
  ipv6         Clear IP version 6 information
  isis         Clear Intermediate System-to-Intermediate System 
information
  ldp          Clear Label Distribution Protocol information
  log          Clear contents of log file