Therefore, the security mechanism to run these commands is based on the operating system permissions of the files.
因此，运行这些命令的安全机制以文件的操作系统权限为基础。
As an important component of high-level secure operating systems, the privilege control mechanism can provide an appropriate level of security assurance for the system.
特权控制机制是高安全等级操作系统中一个重要的组成部分，它能够提供系统恰当的安全保证级。
The secure operating system is the base of information system security, and access control is a significant secure mechanism of operating system.
操作系统的安全是信息系统安全的基石，访问控制则是操作系统安全机制的重要内容。
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