Chapter 10 Install and System Administration for FortiOS 5.0 : Using the CLI : Tips : Help
  
Help
To display brief help during command entry, press the question mark (?) key.
• Press the question mark (?) key at the command prompt to display a list of the commands available and a description of each command.
• Type a word or part of a word, then press the question mark (?) key to display a list of valid word completions or subsequent words, and to display a description of each.
See Also
• Shortcuts and key commands
• Command abbreviation
• Environment variables
• Special characters
• Using grep to filter get and show command output
• Language support and regular expressions
• Screen paging
• Baud rate
• Using Perl regular expressions
• Connecting to the CLI
• Command syntax
• Sub-commands
• Tips