Category Archives: UNIX

Oldest Surviving 386 PC OS?

Posted on March 9, 2017 by Michal Necasek

Four years ago, the Xenix 2.2.3 mystery cropped up (twice). The issue has been revisited and thanks to Michael Casadevall, an enthusiastic reader, came to a happy conclusion: 386 Xenix version 2.2.3 was finalized in late June 1988 (the newest … Continue reading →

Posted in 386, Microsoft, SCO, UNIX, Xenix | 21 Comments

UNIX Alphabet Soup

Posted on July 21, 2013 by Michal Necasek

When reading historical UNIX documentation or source code, one is likely to come across various terms and acronyms that are now more or less completely forgotten, even among current developers of UNIX or UNIX-like systems. These acronyms might be the … Continue reading →

Posted in UNIX | 3 Comments

BSD Buglets

Posted on June 15, 2013 by Michal Necasek

Last week I ran into two wholly unrelated problems while researching the history of BSD-derived Unix systems on PCs. Both are classics in their category and merit a closer look. Y2K Strikes Again The first issue is a very typical … Continue reading →

Posted in BSD, UNIX, x86 | 10 Comments

UNIX on the PC, 1989

Posted on January 31, 2013 by Michal Necasek

For anyone interested in the history of UNIX on PCs, an article rather appropriately called UNIX Packages For The PC on page 40 of the Nov-Dec 1989 issue (#50) of Micro Cornucopia ought to be interesting. Now available in PDF on … Continue reading →

Posted in 386, UNIX | 3 Comments