# 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: Absolute File Path - an absolute path to a file in the local file system File System Directory - a directory in the local file system Path Mapping - a path mapping Project - a project in the workspace Workspace - all projects in the workspace Workspace Folder - a folder in the workspace
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.