From within Iguana, you can delete an environment variable that is defined for your system. This variable is deleted only within Iguana. Other programs and processes are not affected.

To delete an environment variable:

• Click the Settings tab at the top right of the screen. In the Settings screen, click Environment Variables. The Environment Variables screen appears:

• In this screen, locate the environment variable that you want to delete, and move your cursor over it.
• If the environment variable is defined by your operating system, click to mark the environment variable as deleted:

The environment variable is deleted only within Iguana, and can be undeleted later if necessary. To undo a deletion, move your cursor over the environment variable that you want to undelete and click .

• If you have defined the environment variable yourself, click to delete the environment variable. The variable will be removed from your system, and cannot be undeleted.

You can either hide or show the environment variables that you have deleted. To hide the deleted environment variables, in the Control Panel, from the list box, select Hide Deleted:

To view all environment variables, including the deleted variables, select Show All from the list box. To view only the deleted environment variables, select Show Deleted Only.