Use the Common Source Lookup Path preference page to add or remove source containers.

Opens the Add Source dialog to insert a new source container of one of the following types:
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| Opens the Edit File System Directory dialog to modify the currently selected souce container. | |
| Remove the currently selected souce container. | |
| Move the currently selected source container higher in the list. | |
| Down | Move the currently selected source container lower in the list. |

