We (the Plan 9 community) figure that not initially releasing it as open source cost us Linux's current place. As it stands, we didn't open source until 2000.

We (the Plan 9 community) figure that not initially releasing it as open source cost us Linux's current place. As it stands, we didn't open source until 2000. But we wouldn't have put it under the GNU license in any circumstances, we have grievances against GNU :)