Vanura -∞

Vanura -∞ was created by Oggosoft, The first-ever computer company in existence.

Info
Vanura is the very first OS in existence. It was released before the big bang in 13800000000BC.

Storage
The OS only takes up around 3 Kilobytes, and the storage is around 1 Kilobyte or more. Its use was very, very limited at that time.

(Yeah. it doesn't make sense but, does everything here exist and make any sense?)

Bugs
It has over 1 billion flaws in the computer itself, which is a very usual thing that happens for the first computer ever. Mostly, the unstable computer running this OS crashes after a couple of milliseconds after it boots up. The BSOD that shows up after the computer crashes only says “Unknown Error” without any error code or name being told.