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System and method for providing access to computer files across computer operating systems

  • US 7,493,314 B2
  • Filed: 01/10/2005
  • Issued: 02/17/2009
  • Est. Priority Date: 01/10/2005
  • Status: Active Grant
First Claim
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1. In a first computer system, a method of providing access to a file stored in a partition of a mass storage device of the first computer system, the method comprising the steps of:

  • running a first computer operating system on the first computer system;

    employing a first file system having a file system table to manage the partition, wherein a second computer operating system cannot read the file system table of the first file system;

    receiving file system information for the file, wherein the file system information for the file comprises a physical address associated with a block;

    determining from the file system information whether to include at least a portion of the file system information in a file resource table, the file resource table associating a file marker for the file with a physical address of the file within the partition, and the file resource table is employed by a file system other than the first file system; and

    making the file resource table accessible to the second computer system running a second computer operating system, wherein the step of making the file resource table accessible comprises providing a pointer to the file resource table, and the file resource table is configured to be read by a file resource table reader being run on top of the second computer operating system.

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