--- keywords: [1970s, 1973] image: ./1973.webp description: "There were three operating system of our interest which were released in the year 1973. They were:" sidebar_position: 4 --- import DocCardList from '@theme/DocCardList'; # 1973 ![! Alto OS Draw from 1973](./1973.webp) There were three operating system of our interest which were released in the year 1973. They were: