gnupg: General GPG Commands

 
 4.1.1 Commands not specific to the function
 -------------------------------------------
 
 '--version'
      Print the program version and licensing information.  Note that you
      cannot abbreviate this command.
 
 '--help'
 '-h'
      Print a usage message summarizing the most useful command-line
      options.  Note that you cannot arbitrarily abbreviate this command
      (though you can use its short form '-h').
 
 '--warranty'
      Print warranty information.
 
 '--dump-options'
      Print a list of all available options and commands.  Note that you
      cannot abbreviate this command.