Easy: "Sous-système réseau du noyau Linux" and "cache associatif octodirectionnel". There are many other words much harder to translate than these ones, like "

Easy: "Sous-système réseau du noyau Linux" and "cache associatif octodirectionnel". There are many other words much harder to translate than these ones, like "backslash", "hash map", "pipeline", "placeholder", ...