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Trail: Security in Java 2 SDK 1.2
Lesson: Quick Tour of Controlling Applications

## Open the Policy File

> Start Policy Tool by typing the following at the command line:

> >     policytool

> This brings up the Policy Tool window. To open the `mypolicy` policy file, use the Open command in the File menu. This will present you with an Open dialog, which you can use to navigate the directory structure until you get to the directory containing the policy file (that is, the `C:\Test\` directory).

> Choose the `mypolicy` file in that directory and then select the Open button.

> This will fill in the Policy Tool window with information from the `mypolicy` policy file, including the policy file name and the CodeBase part of the policy entry created by the Quick Tour of Controlling Applets lesson.

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