$ bitbake-layers 
usage: bitbake-layers <command> [arguments]

Available commands:
  help
    display general help or help on a specified command
  show-recipes
    list available recipes, showing the layer they are provided by
  show-cross-depends
    figure out the dependency between recipes that crosses a layer boundary.
  show-appends
    list bbappend files and recipe files they apply to
  flatten
    flattens layer configuration into a separate output directory.
  show-layers
    show current configured layers
  show-overlayed
    list overlayed recipes (where the same recipe exists in another layer)