[acapybara]

GNU is an ecosystem of free software.

Linux is a kernel.

People often refer to the whole system as Linux, but what they really mean is GNU/Linux.

[whutsurnaym]

I've discovered that referring to it as "LiGNUx" is a really good way to clear up ambiguity and annoy all of your coworkers.

[jimmaswell]

This sounds dangerously close to "ligma" if you try to pronounce it.