What is the best way to use cut nails in pine, with grain or cross grain?

nailing a 10in plank floor with cut nails. the nail is supposed to hold the grain better but with the grain or across the grain?What is the best way to use cut nails in pine, with grain or cross grain?
cross grain thats why they call them CUT nailsWhat is the best way to use cut nails in pine, with grain or cross grain?
Cut nails are called cut because of the way their made. A cut nail has for sharp edges and has a wedge shape getting wider towards the top. Because you are using pine which is a soft wood you can nail either way. When nailing towards the end of the board nail with the grain to avoid spliting and nail back from the end about 2'; to avoid spliting. If you were nailing hardwood you would nail with the grain.

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