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.
英國商會（BCC）貿易政策主管威廉·貝恩（William Bain）表示，關於接下來可能發生什麼，仍有許多問題未得到解答。
Последние новости，推荐阅读旺商聊官方下载获取更多信息
free 30-day trial, then $14.99/month
，推荐阅读夫子获取更多信息
Жители Санкт-Петербурга устроили «крысогон»17:52
It was a huge step forward for Bezos and his company that has spent years getting to the point of sending a rocket into orbit.，更多细节参见WPS下载最新地址