On Wednesday 24 August 2005 11:31, Austin Chen wrote:
> Please give me some introduce. If I want to port the YAFFS Direct to
> Nucleus Plus RTOS, which documents should I read first? How about the
> license type and license fee and when I need to license it?

If you use YAFFS under the GPL, then you do not need any special licensing. 
For non-GPL usage, you will need to discuss licensing with Aleph One 
(mailto:sales@aleph1.co.uk).