I think #Linux is a
Operating system
Kernel
Poll ended at .
@nixCraft Linus' original project was to make a full, libre, Unix-like operating system. He wrote the kernel himself, but didn't feel the need to reïnvent the wheel when the GNU project had already done so much.
He called his project #Freax, because Linux was too egotistical. Ari Lemmke unilaterally renamed it because he thought Freax was a bad name. I suspect Stallman would approve of the name Freax, and not insist on GNU/Freax.
@nixCraft This is much like the tomato 'debate':
A normal person: "A tomato is a vegetable"
The pedant, interjecting: "well, actually..."