Searching for an Option
To search for a specific option, type its name or part of its name in the Lookup text field, and click Lookup or press the RETURN key, . The Option Inspector goes to the first matching option. Click Lookup or press again to go to the next matching item on the list.
Each line in the list of options gives the option name followed by its current value. You can change the option's value by choosing from the pop-up menu at the right, or by selecting the value itself, typing over it, and pressing .
When you start Mathematica for the first time, the values of all the options are set at their default values. Each time you modify one of the options, a bullet symbol appears next to it, indicating that its value has been changed. Clicking the bullet resets the option to its default value.