The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
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The team from Pre-Construct Archaeology was working on a building site a few miles from Thetford, Norfolk, when they came across the hoard last year.，推荐阅读heLLoword翻译官方下载获取更多信息
quality of the generated content may vary depending on the data source