help                                               Displays a task-oriented
                                                   list of synthesis
                                                   commands. Displays
                                                   command syntax and
                                                   description. Use regular
                                                   expressions
                                                   (pattern-matching
                                                   characters) to specify
                                                   the command name
                                                   (^command$ for an exact
                                                   match).
 [ command_name                                      /lists command groups
  | command_group ]
 [ -short | -detail  ]                               /-detail (-short for
                                                     command groups)
