Patent · US Expired

Method and apparatus for swapping a computer operating system

US6175917A · kind A · utility

318Cited by
12References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1998
Grant dateJan 16, 2001
Priority date
Expiry dateApr 23, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F11/1417
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

One embodiment of the present invention provides a computer system with a plurality of storage memories, each storage memory storing an operating system program, and an identifier for identifying a storage memory containing an operating system program to be loaded when the unit is booted. The identifier is selectively switchable between storage memories so that the computer system may be selectively booted with an alternate operating system program. This facilitates loading a new version of an operating system, and then rapidly switching back to an old version of the operating system if the new version fails to function properly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.