Z:gnu-www-ja-gnu-linux-faq--4b61cd-We're talking about a version/en

We're talking about a version of GNU, the operating system, distinguished by having Linux as the kernel. A slash fits the situation because it means &ldquo;combination.&rdquo; (Think of &ldquo;Input/Output&rdquo;.) This system is the combination of GNU and Linux; hence, &ldquo;GNU/Linux&rdquo;.