In the commit method of the login module, a privileged code clears up the current subject and replaces the principals, and the public and private credentials.

在登录模块的commit方法中，可以使用特权代码清除当前主题并替换相应的主体、公开的和私有的凭据。

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Kernel space is flagged in the page tables as exclusive to privileged code (ring 2 or lower), hence a page fault is triggered if user-mode programs try to touch it.

系统内核所使用的内存空间通过特权码（privileged code，2级或者更低）来标记，以防止用户模式的程序访问到内核空间而发生页面错误。

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Kernel space is flagged in the page tables as exclusive to privileged code (ring 2 or lower), hence a page fault is triggered if user-mode programs try to touch it.

内核空间被标记在页表中的独家特权代码(环2或更低)，因此一个页面故障被触发，如果用户模式的程序试图去触摸它。

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Coders are part of a "privileged class in our society right now, " says Jennifer Pahlka, the founder of San Francisco-based Code for America.

WSJ: Beyond the Three R's: Push to Teach Coding at School