I ' m not sure , I am not a pro user , but I have knowledge on how to install CFW . It probably is possible to update with Sky 3 DS , I would look that up in Google . <| sep |> That ' s very specifically a thing in version controlIf your version control system sees the world in a linear way , then what happens is you make changes , then I make a changes , then you make some more changes , like this o Start o Qkb o pdpi o Qkb V time goes this wayWhereas a nonlinear VCS says that that ' s a simplistic point of view . In reality , we ' re likely to both start developing on top of what the program looks like at the start , and then we ' ll need to merge our changes o Start Qkb o o pdpi Qkb o o Merge changes V time goes this wayIt ' s called nonlinear precisely because history doesn ' t look like one neat straight line . That ' s all there is to it .