File data for an operating system may be stored in a compressed format in a re-programmable semiconductor memory. The memory may be provided with a header and data for one or more file systems all stored in a compressed format. A device driver also stored in the memory may be utilized to decompress the...http://www.google.com.tw/patents/US20090204651?utm_source=gb-gplus-share專利 US20090204651 - Accessing file data stored in non-volatile re-programmable semiconductor memories