All open-source licenses must allow distribution in some way - meaning anyone who receives open-source software can inspect and/or alter the code. Copyleft licenses differ in that they require the same rights (the rights to inspect or modify the code) to all works that use the attached piece of code.
Had to look that one up. Yes, copyleft seems quite meaningful...
Yes, they allow for distribution but do not require the improvements be distributed. That is what makes OS so vulnerable.
reply