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PC Operating Systems
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ALSO CALLED: Personal Computer Operating Systems and P/390
DEFINITION: The P/390 is basically an IBM mainframe system adapted to run on a personal computer. A P/390 comes on a single card that contains a System/390 instruction set, allowing operating systems such as OS/390, MVS, VM, and VSE, to be installed. The P/390 makes it possible to develop, test, and run application programs written for the mainframe on a smaller, more economical
Definition continues below.
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SOFTWARE DEMO: Posted: 31 Aug 2007 | Published: 31 Aug 2007
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PC OPERATING SYSTEMS DEFINITION (continued):
machine. After testing, programs that require mainframe capability can be moved to the mainframe. A common use of the P/390 today is for 2000 analysis and testing. The P/390 is sold as part of a PC workstation that also comes with an OS/2 operating system. The entire product is called the IBM PC Server System/390. The MVS and OS/390 operating systems require 128 megabyes of RAM. VM and VSE will install with 32 megabytes. An R/390 is the P/390-PCI card installed on IBM's RS/6000 server. Both products are sold both as development environments and as economical approaches for
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