Method for booting an operating system

Details Method for booting an operating system Method for booting an operating system

2003-05-13

2009-10-20

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Digital data processing system initialization or configuration

C713S002000, C713S100000, C711S162000, C711S165000

Reexamination Certificate

active

07607000

ABSTRACT:
A method for accelerating an operating system boot process is disclosed. In one exemplary embodiment, during a first operating system boot, information regarding the physical locations of disk access performed by the operating system to complete the boot are recorded and stored in a control data file. The control data file is used during a second operating system boot to predict which data will be required during the second operating system, and to populate a cache with that data. The cache can then be used to improve the second operating system boot to improve the boot time. In one embodiment, the information is independent of a file system of the operating system. In another embodiment, the cache can be populated by copying data from a mass storage device to a cache, and when the data is used, it can be moved from the cache to another cache.

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