Is ksh in public domain?

[Mario Dorion]

I would Like to know if the korn shell is in the public domain in any way.

Thanks!


     Mario Dorion              |     E-mail address:
     Frisco Bay Industries     |
     Montreal, Canada          | ...!{rutgers,uunet,ihnp4,decvax}!
     1 (514) 738-7300          |            philabs!micomvax!cmtl01!mdorion

            But I thought this planet was in public domain!