On Fri, 23 May 2003 09:00:56 -0400
Jerry A!
Actually VMS and UNIX are two totally separate beasts. Though I do believe that OpenVMS may be POSIX compliant. What NT and VMS share is David Cutler, who designed both OS's. Parts of the NT architecture were originally co-developed by Microsoft and DEC. That's also part of the reason that the original releases of NT ran on both the x86 (lovingly referred to as i386 back then) and axp (alpha) platforms. Not only is OpenVMS POSIX compliant, one of the engineers was talking about OpenVMS being branded as Unix98. I don't know if the branding will ever happen, but you are correect that VMS and Unix are two totally separate OS's. At Digital, the Unix and VMS people were kept very separated. It was rare for a VMS engineer to move over to the Unix (Ultrix on VAX and MIPS, and OSF1/Digital Unix/Tru64 Unix on Alpha) until more recently when Digital Unix started to be the number one OS (by sales) in the company. One might note that much of the VMS clustering technology was migrated to Tru64 Unix. -- Jerry Feldman
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