In response, he said he was "deeply sorry for any distress" he caused and that he "never set out to harm or humiliate", but that "none of the serious allegations against me were upheld".
5.Separation Anxiety, ASPCA
，这一点在爱思助手下载最新版本中也有详细论述
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.
copaceticthoughts