Accessing computer files

G - Physics – 06 – F

Patent

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Details

G06F 17/30 (2006.01) G06F 3/06 (2006.01) G06F 9/445 (2006.01) G06F 9/45 (2006.01) G11B 20/00 (2006.01)

Patent

CA 2252930

A computer device driver for accessing compressed files held in archives in a memory device, the device driver comprising: means for reading a compressed file from an archive in the memory device, decompressing the file in RAM and retaining the decompressed file in RAM in whole or in part so that operations to the memory device can be performed on the decompressed file by the operating system without having first to write the decompressed file to the memory device. The device driver also comprises means for accessing the file in said RAM and changing the contents of the file; and for returning the file to the archive in said memory device.

Pilote informatique permettant d'accéder à des fichiers comprimés conservés dans des archives d'une mémoire, ledit pilote comprenant des moyens servant à lire un fichier comprimé provenant d'archives dans la mémoire, à décomprimer le fichier dans la mémoire vive et à retenir le fichier décomprimé dans la mémoire vive intégralement ou en partie de manière à ce que les opérations sur la mémoire puissent être effectuées sur le fichier décomprimé par le système d'exploitation sans que le fichier décomprimé doive d'abord être écrit dans la mémoire. Ledit pilote comporte également des moyens permettant d'avoir accès au fichier dans la mémoire vive et de modifier le contenu dudit fichier, ainsi que des moyens permettant de renvoyer le fichier aux archives dans la mémoire.

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