The name is shorthand for "Butterfly." It’s a poetic irony: something as small and delicate as a butterfly (the 6 KB file) can cause a massive, chaotic storm (the system crash) when it "unfolds its wings."
Your processor hits 100% trying to calculate the decompression. RAM Exhaustion: Your memory fills up instantly. butr.zip
When a computer tries to unzip butr.zip , it begins a recursive decompression nightmare. That 6 KB file contains layers upon layers of highly compressed data. If fully expanded, it would swell to hundreds of terabytes —far more than the storage capacity of almost any consumer computer in existence. The Result: The name is shorthand for "Butterfly
Your hard drive runs out of space, causing the operating system to freeze or crash entirely. butr.zip