CP/M

The First PC Operating System

Operating system · by Digital Research, Gary Kildall · digitalresearch.biz

Open CP/M in AirStack

What CP/M’s own pages say

What it says it doesThe First PC Operating System digitalresearch.biz

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.