Linked by Michael Reed on Thu 7th Feb 2008 17:21 UTC
OS/2 and eComStation Last month, IBM made an announcement that put an end to any hope of an open source OS/2. Responding to requests from an online community that had previously collected 11,600 signatures in support of its cause, the company confirmed that they would not be releasing the source code of their OS/2 operating system. I used OS/2 as my main operating system for about four years, and unlike some former users, my reaction to the news sits somewhere between disinterest and relief.
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Os/2 Source codes in Windows Source code base
by AnXa on Sun 10th Feb 2008 09:53 UTC
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Does anyone remember that leak of Windows 2000 source codes?

Well there are lots of people who are claiming to seen the sources and I remember to read blog of this one guy who did very accurate analysation of the code.

Althought it didn't matter much to me but I remember now that he made quite show about how every second source code file included comments like

"This material is owned by IBM" or "OS/2 Source code"
I might remember wrong but that guy had guessed that something like 40% of Windows 2000 sources contained material coded by IBM reseachers and developers for OS/2.

Windows and Os/2 are so tied in that it is just plain impossible to make it Open Source since opening Os/2 would mead almost same thing as opening Microsoft Windows sources.

Ok, I am not sure if people here remember the legal fight between IBM and Microsoft on OS/2 Sources. If I remember right IBM won it and I think that Microsoft promised to clean Windows sources from IBM material but after 5 years there still was OS/2 code in windows.

So they didn't keep their promise in the end.

And I'm pretty sure that even Windows Vista has at least 20-30% of source code made originally for IBM OS/2

But what bothers me here is that Windows NT originally was called OS/2 3.0 (at the time nt didn't exist and current version of OS/2 was 2.0, 3.0 was supposed to be completely new architecture, there fore the name. NT, New Technology)

So it might not happen like I descriped here. I guess Wikipedia can tell more. But I'm pretty sure that just plain support for WPS and PM software in win2k devkit doesn't need more that 2-10% of source code made from Os/2. There is just too much of it.

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