# Common Source Lookup Path preference

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

Common Source Lookup Path Options

Add...

Opens the Add Source dialog to insert a new source container of one of the following types:

- File System Directory
- Path Mapping
- Project
- Workspace
- Workspace Folder

Edit... | Opens the Edit File System Directory dialog to modify the currently selected souce container.
Remove | Remove the currently selected souce container.
Up | Move the currently selected source container higher in the list.
Down | Move the currently selected source container lower in the list.