# Source Code Locations page, Preferences window

You can add or remove source code locations by clicking Window > Preferences > C/C++ > Debug > Source Code Locations.

Add
  Insert a new source code location.
Up
  Move the currently selected source code location higher in the list.
Down
  Move the currently selected source code location lower in the list.
Remove
  Remove the currently selected souce code location.
Search for duplicate source files
  Searches the source locations for duplicate entries.