
  help - provide on-line information on commands
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   help [-a] [-h] [<command>]
   
   Given no arguments, "help" prints a list of all commands known to the
   command interpreter. If a command name is given, detailed information
   for that command will be provided.
   
   Command options:
   
   -a
          Provides a list of all internal commands, which by convention
          begin with an underscore.
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   Last updated on 990119 20h08
