Date of this Version


Document Type

Journal Article

Publication Details

Published Version.

Toomey, W. (2010). First edition Unix: Its creation and restoration. IEEE Annals of the History of Computing, 32(3), 74-82.

Access the Journal's homepage.

2010 HERDC submission. FoR Code: 089900

© Copyright IEEE, 2010. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.


Until recently, the earliest versions of the Unix operating system were believed to have been lost completely. In 2008, however, a restoration team from the Unix Heritage Society completed an effort to resurrect and restore the first edition Unix to a running and usable state from a newly discovered listing of the system's assembly source code.



This document has been peer reviewed.