Difference between revisions of "Coherent"
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[[Image:Coherent 4 print ad.jpg|200px|thumb|right|A print Coherent ad]] | [[Image:Coherent 4 print ad.jpg|200px|thumb|right|A print Coherent ad]] | ||
| − | Coherent was a 'clean room' clone of [[Seventh Edition Unix|Unix v7]]. | + | Coherent was a 'clean room' clone of [[Seventh Edition Unix|Unix v7]], originally written for the PDP-11 in 1980. It was ported to run on the IBM PC in 1983 and to the [[Zilog Z8000]]-based [[Commodore 900]] in 1985. Coherent was somewhat famous for being audited by Bell Labs and was vetted to be free of AT&T code. Despite its low price it failed to achieve any significant market share. |
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| + | A review from 1991 can be found [http://aplawrence.com/Reviews/coherent_1991.html here] | ||
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{{Nav Unix}} | {{Nav Unix}} | ||
[[Category:Operating Systems]] | [[Category:Operating Systems]] | ||
Revision as of 14:04, 28 December 2012
Coherent was a 'clean room' clone of Unix v7, originally written for the PDP-11 in 1980. It was ported to run on the IBM PC in 1983 and to the Zilog Z8000-based Commodore 900 in 1985. Coherent was somewhat famous for being audited by Bell Labs and was vetted to be free of AT&T code. Despite its low price it failed to achieve any significant market share.
A review from 1991 can be found here
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