- Repository: https://github.com/DoctorWkt/pdp7-unix
- Created by: Warren Toomey, Norman Wilson, et. al
One of the earliest complete versions of UNIX ran on the PDP-7.
This restoration includes assembler source for Ken Thompson's space travel game that is sometimes described as the impetus for UNIX.
- 2001: Space Travel: Exploring the solar system and the PDP-7
- by Dennis Ritchie
- a retrospective on the origins of Unix
- 2020: Emulation of Space Travel with graphical support