VIRTUAL COMPUTER SYSTEM, PRINTER CONTROL SYSTEM, VIRTUAL COMPUTER PROGRAM AND PRINTER CONTROL PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a virtual computer system which executes an application program after applying an already-created reference snap shot to a virtual machine when executing the application program installed in the virtual machine.SOLUTION: A virtual computer system stores a snap shot recording the state of a virtual machine including an application program installed in the virtual machine as a reference snap shot, applies the reference snap shot to the virtual machine when receiving an execution request of the application program, and stores the state of the virtual machine executing the application program as a snap shot.SELECTED DRAWING: Figure 1