The releases below represent the historical releases of Plan 9.
The two versions of 4th Edition represent the initial release
and the final version available from Bell Labs as it was updated
All historical releases of Plan 9 have been re-released under the terms
of the MIT license.
- 1st Edition:
- 2nd Edition:
- 3rd Edition:
- 4th Edition:
- 4th Edition, Final Release:
for all releases.