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Author Topic: AT&T Archives: The UNIX Operating System  (Read 9399 times)

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Offline commodorejohn

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Re: AT&T Archives: The UNIX Operating System
« on: July 02, 2013, 11:45:50 PM »
Quote from: Madshib;739642
Whether anyone likes it or not, UNIX is the beginning of all the commonly used OSes out there. It has great elements in which others would eventually "borrow". ;)
"All?" No. Windows NT derivatives are based on VMS, not Unix; in the pre-NT days, DOS was based on CP/M which was loosely based on RT-11. Unix doesn't really show up anywhere in the Windows family tree, aside from the POSIX subsystem added to NT versions pre-XP.
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Offline commodorejohn

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Re: AT&T Archives: The UNIX Operating System
« Reply #1 on: July 03, 2013, 02:23:49 AM »
Quote from: Pentad;739660
No, Windows NT was not based on VMS.  This is a common misconception because Dave Cutler and other VMS developers worked on the project.  I've heard this my whole IT career.  You can read more about it here:
Okay, I've heard multiple takes on this issue, but it's a fair point that it's not so clear-cut based on it. Regardless, it's certainly not based on Unix.
Computers: Amiga 1200, DEC VAXStation 4000/60, DEC MicroPDP-11/73
Synthesizers: Roland JX-10/MT-32/D-10, Oberheim Matrix-6, Yamaha DX7/FB-01, Korg MS-20 Mini, Ensoniq Mirage/SQ-80, Sequential Circuits Prophet-600, Hohner String Performer

"\'Legacy code\' often differs from its suggested alternative by actually working and scaling." - Bjarne Stroustrup