几乎每个现代操作系统都使用基于位屏蔽权限的模型，该模型基于主体和组按主体处理资源控制。
Nearly every modern OS makes use of a bit-masking permission-based model that deals with the control of resources by principals, based on principals and groups.
几乎在每个 UNIX 版本中都有这个实用程序，但奇怪的是，大多数供应商并没有将其包含在操作系统的初始安装中。
This utility is available for nearly every UNIX flavor but, strangely, most vendors don't include it with the stock install of the operating system.
几乎每个人都遗忘了Vista的生日，许多人们包括微软的员工想要完全忘掉这个操作系统，但正如我所说，Vista将活在Windows 7中以及以后的版本中。
Nearly everyone may have neglected Vista's birthday and many people, including Microsoft employees, may want to forget the operating system completely. But Vista will live on in Windows 7 and beyond.
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