<title><filename>build/conf/bblayers.conf</filename></title>
<para>
- This file defines layers, which are directory trees, traversed (or walked) by BitBake.
+ This file defines
+ <ulink url='&YOCTO_DOCS_DEV_URL;#understanding-and-creating-layers'>layers</ulink>,
+ which are directory trees, traversed (or walked) by BitBake.
If <filename>bblayers.conf</filename>
is not present, it is created from <filename>bblayers.conf.sample</filename> when
you <filename>source</filename> the environment setup script.