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Computer file system providing looped file structure for post-occurrence data collection of asynchronous events

  • US 6,647,479 B1
  • Filed: 01/03/2000
  • Issued: 11/11/2003
  • Est. Priority Date: 01/03/2000
  • Status: Expired due to Term
First Claim
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1. An operating system for a computer which provides a file system through which files containing data are made accessible to application programs, comprising:

  • means for enabling a looped mode of writing to a file wherein data is written in a continuous loop of clusters, wherein the continuous loop has a length;

    means for writing data to the file in a looped mode, whereby data written to the file in an amount greater than length of the continuous loop is written into clusters within the continuous loop;

    means, operative in response to disabling the looped mode, for reconstructing the file into a linear sequence of clusters and for enabling a linear sequence mode of writing to the file; and

    means for writing data to the file in the linear sequence mode.

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