Options
 Usage
• Options[symbol] gives the list of default options assigned to a symbol.
• Options[expr] gives the options explicitly specified in a particular expression such as a graphics object.
• Options[stream] or Options["sname"] gives options associated with a particular stream.
• Options[object] gives options associated with an external object such as a NotebookObject.
• Options[obj, name] gives the setting for the option name.
• Options[obj, { ,  , ... }] gives a list of the settings for the options  .
Notes
• Many built-in functions allow you to give additional arguments that specify options with rules of the form name -> value. • Options[f] gives the list of rules to be used for the options associated with a function f if no explicit rules are given when the function is called. • Options always returns a list of transformation rules for option names. • You can assign a value to Options[symbol] to redefine all the default option settings for a function. • SetOptions[symbol, name -> value] can be used to specify individual default options. • You can use Options on InputStream and OutputStream objects. If there is only one stream with a particular name, you can give the name as a string as the argument of Options. • If you ask for Options[NotebookObject[ ... ], name] the kernel will send a request to the front end to find the result. • Explicit values are found for options associated with cells even if these options are only set at the style, notebook or global level. • New in Version 1; modified in 3.
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