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Device driver for accessing computer files

  • US 6,405,265 B1
  • Filed: 04/16/1999
  • Issued: 06/11/2002
  • Est. Priority Date: 05/08/1996
  • Status: Expired due to Term
First Claim
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1. A computer device driver for interfacing with an operating system and for accessing modified files held in archives in a storage device, said device driver comprising:

  • means for reading a modified file from an archive in said memory device, demodifying said file in RAM and retaining the demodified file in RAM in whole or in part so that operations can be performed on the demodified file by the operating system without having first to write the demodified file to the storage device, means for accessing said file in said RAM and changing the contents of said file; and

    means for returning said file to said archive in said storage device.

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