Linked by Anton Klotz on Thu 18th Jan 2007 18:16 UTC
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Member since:
2006-07-19
I would like to point out that operating systems like OS/360, MVS, and VMS/OpenVMS are not "server only" operating systems. They are general purpose operating systems.
The first two are mainframe O/Ss and VMS/OpenVMS ran on workstations, servers, and minicomputers. I don't know if it ran on DEC-10/TOPS-10 so I can't say if it ran on a mainframe.
One important difference between the current PC/Workstation/Server O/Ss and the old mainframe/minicomputer O/Ss is the expected uptime. Some MVS systems have been up for 30+ years with no unscheduled down time. VMS/OpenVMS systems have recorded uptimes on the order of 20 years.
Modern Unix and Windows systems are, at best, 1 to 3 orders of magnitude less reliable that those systems. And you pay for that reliability.