Kenyon & Kenyon
Computer system with multiple operating system operation
A computer system is provided with a scheme to making the input and output device provided in a computer in common for a plurality of operating system, in a multiple operating system control unit operating a plurality of mutually distinct operating systems on one computer system. The computer system includes a plurality of operating systems, and OS switching unit for switching a plurality of operating systems. The OS switching means makes reference to a preferential interrupt table on the basis of an interrupt factor for switching to corresponding operating system and calls interrupt processing means incorporated in the operating system.
Hitachi, Ltd.
G G G G
G06F G06F G06F G06F
inventional inventional inventional additional
Masahiko Kozo Tomoaki Hiroshi Yoshinori Tadashi
Saito Nakamura Nakamura Ohno Endo Kamiwaki