pkg_rolling-replace: Rebuilds packages from source in dependency order.
-pkgin: Downloads and installs binary packages. Check the [[mirrors]] page for sites carrying binary packages to use with pkgin. Just remember that our x86_64 branch used to be called amd64. Since not everyone is using the bleeding edge we will keep amd64 around for those users.
+pkgin: Downloads and installs binary packages. Check the [[mirrors]] page for sites carrying binary packages to use with pkgin. Just remember that our x86_64 branch used to be called amd64. The amd64 alias is preserved in order to support older installations
pkg_chk: will update package by removing them and rebuilding them. Warning: programs are unavailable until a rebuild finishes. If they don't rebuild, it won't work.