---
keywords: ["1970s", "Others", "Start Here", "VirtualHub"]
description: "Operating Systems released in the 1970s which, do not fit in other categories."
sidebar_position: 1
sidebar_label: 1970s
---

# Other OSs from 1970s

Operating Systems released in the 1970s, which do not fit in other categories.

- [Alto OS](/1970s/1973/alto-os/)
- [! HP 2100 DOS-M](/1970s/1970/hp2100dos-m/)
- [! HP 2100 MTS](/1970s/1971/hp2100mts/)
- [! HP 2100 DOS-III](/1970s/1973/hp2100dos-iii/)
- [! HP 2100 RTE](/1970s/1973/hp2100rte/)