CP/M

Rarity: Ultra rare

A topic known all over the world: only a few thousand cards.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Science and technology

Knowledge cost

4

In collections

Nobody has pulled it yet.

What Wikipedia says

CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080-based microcomputers by Gary Kildall of Digital Research, Inc. CP/M is a disk operating system and its purpose is to organize files on a magnetic storage medium, and to load and run programs stored on a disk.

Excerpt from the Wikipedia article “CP/M”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Zx, CC BY-SA 3.0, via Wikimedia Commons.